Home / 969,685.92-1,338,259.62-539,965.92

Finding the Fourth Proportional to 969,685.92, 1,338,259.62 and 539,965.92

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Solution

The fourth proportional to 969,685.92, 1,338,259.62 and 539,965.92 is: 745,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,685.92 : 1,338,259.62 = 539,965.92 : x
  2. Step 2: Convert to fraction form
    969,685.92/1,338,259.62 = 539,965.92/x
  3. Step 3: Cross multiply
    969,685.92x = 1,338,259.62 × 539,965.92
  4. Step 4: Simplify right side
    969,685.92x = 722,614,586,912.15
  5. Step 5: Solve for x
    x = 722,614,586,912.15/969,685.92
  6. Step 6: Final answer
    x = 745,204.78

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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.