Home / 642,666.57-958,254.15-625,010.73

Finding the Fourth Proportional to 642,666.57, 958,254.15 and 625,010.73

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Solution

The fourth proportional to 642,666.57, 958,254.15 and 625,010.73 is: 931,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,666.57 : 958,254.15 = 625,010.73 : x
  2. Step 2: Convert to fraction form
    642,666.57/958,254.15 = 625,010.73/x
  3. Step 3: Cross multiply
    642,666.57x = 958,254.15 × 625,010.73
  4. Step 4: Simplify right side
    642,666.57x = 598,919,125,817.03
  5. Step 5: Solve for x
    x = 598,919,125,817.03/642,666.57
  6. Step 6: Final answer
    x = 931,928.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.