Use "proportionality" in a sentence

1. A war fought with the notion of proportionality was never won

2. I suggest the average 27% increase in the relative premium of smoker to non-smoker to achieve this, as suggested in Appendix 1 section 10, so that their premiums are directly proportional to their health care, with the same proportionality as nonsmokers have to their health care at any given age

3. Perhaps the best explanation of the dynamics of proportionality is found in the

4. Inverse proportionality to the premium