Home / 471,006.97-649,983.50-256,142.43

Finding the Fourth Proportional to 471,006.97, 649,983.50 and 256,142.43

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Solution

The fourth proportional to 471,006.97, 649,983.50 and 256,142.43 is: 353,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,006.97 : 649,983.50 = 256,142.43 : x
  2. Step 2: Convert to fraction form
    471,006.97/649,983.50 = 256,142.43/x
  3. Step 3: Cross multiply
    471,006.97x = 649,983.50 × 256,142.43
  4. Step 4: Simplify right side
    471,006.97x = 166,488,353,149.91
  5. Step 5: Solve for x
    x = 166,488,353,149.91/471,006.97
  6. Step 6: Final answer
    x = 353,473.23

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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.