| p | = | 5617 10000 | × | 427 1000 | ÷ | ( | 5617 10000 | − | 111 500 | ) |
| 方程两边同时乘以: | ( | 5617 10000 | − | 111 500 | ) |
| p | ( | 5617 10000 | − | 111 500 | ) | = | 5617 10000 | × | 427 1000 |
| p | × | 5617 10000 | − | p | × | 111 500 | = | 5617 10000 | × | 427 1000 |
| p | × | 5617 10000 | − | p | × | 111 500 | = | 2398459 10000000 |
3397 10000 | p | = | 2398459 10000000 |
| p | = | 2398459 10000000 | ÷ | 3397 10000 |
| = | 2398459 10000000 | × | 10000 3397 |
| = | 2398459 1000 | × | 1 3397 |
| p | = | 2398459 3397000 |
| p | = | 0.706052 |