Home / 908,594.82-1,253,869.14-500,711.31

Finding the Fourth Proportional to 908,594.82, 1,253,869.14 and 500,711.31

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Solution

The fourth proportional to 908,594.82, 1,253,869.14 and 500,711.31 is: 690,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,594.82 : 1,253,869.14 = 500,711.31 : x
  2. Step 2: Convert to fraction form
    908,594.82/1,253,869.14 = 500,711.31/x
  3. Step 3: Cross multiply
    908,594.82x = 1,253,869.14 × 500,711.31
  4. Step 4: Simplify right side
    908,594.82x = 627,826,459,657.97
  5. Step 5: Solve for x
    x = 627,826,459,657.97/908,594.82
  6. Step 6: Final answer
    x = 690,986.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.