Home / 953,503.38-1,315,513.71-539,983.80

Finding the Fourth Proportional to 953,503.38, 1,315,513.71 and 539,983.80

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Solution

The fourth proportional to 953,503.38, 1,315,513.71 and 539,983.80 is: 744,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,503.38 : 1,315,513.71 = 539,983.80 : x
  2. Step 2: Convert to fraction form
    953,503.38/1,315,513.71 = 539,983.80/x
  3. Step 3: Cross multiply
    953,503.38x = 1,315,513.71 × 539,983.80
  4. Step 4: Simplify right side
    953,503.38x = 710,356,092,077.90
  5. Step 5: Solve for x
    x = 710,356,092,077.90/953,503.38
  6. Step 6: Final answer
    x = 744,995.88

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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.