| ( | 1000000 | − | 6944444 | × | 11 100 | Z | ) | ÷ | 8300000 | = | 4 100 |
| Left side of the equation = | 1000000 | × | 1 8300000 | − | 6944444 | × | 11 100 | Z | × | 1 8300000 |
| = | 10 83 | − | 230087 2500000 | Z |
10 83 | − | 230087 2500000 | Z | = | 4 100 |
| - | 230087 2500000 | Z | = | 4 100 | − | 10 83 |
| - | 230087 2500000 | Z | = | - | 167 2075 |
167 2075 | = | 230087 2500000 | Z |
230087 2500000 | Z | = | 167 2075 |
| Z | = | 167 2075 | ÷ | 230087 2500000 |
| = | 167 2075 | × | 2500000 230087 |
| = | 167 83 | × | 100000 230087 |
| Z | = | 16700000 19097221 |
| Z | = | 0.874473 |