Home / 957,387.20-1,321,202.38-527,668.43

Finding the Fourth Proportional to 957,387.20, 1,321,202.38 and 527,668.43

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Solution

The fourth proportional to 957,387.20, 1,321,202.38 and 527,668.43 is: 728,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,387.20 : 1,321,202.38 = 527,668.43 : x
  2. Step 2: Convert to fraction form
    957,387.20/1,321,202.38 = 527,668.43/x
  3. Step 3: Cross multiply
    957,387.20x = 1,321,202.38 × 527,668.43
  4. Step 4: Simplify right side
    957,387.20x = 697,156,785,566.86
  5. Step 5: Solve for x
    x = 697,156,785,566.86/957,387.20
  6. Step 6: Final answer
    x = 728,186.87

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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.