Home / 413,519.28-619,884.96-132,839.52

Finding the Fourth Proportional to 413,519.28, 619,884.96 and 132,839.52

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Solution

The fourth proportional to 413,519.28, 619,884.96 and 132,839.52 is: 199,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,519.28 : 619,884.96 = 132,839.52 : x
  2. Step 2: Convert to fraction form
    413,519.28/619,884.96 = 132,839.52/x
  3. Step 3: Cross multiply
    413,519.28x = 619,884.96 × 132,839.52
  4. Step 4: Simplify right side
    413,519.28x = 82,345,220,541.62
  5. Step 5: Solve for x
    x = 82,345,220,541.62/413,519.28
  6. Step 6: Final answer
    x = 199,132.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.