Home / 372,917.52-559,864.10-221,391.22

Finding the Fourth Proportional to 372,917.52, 559,864.10 and 221,391.22

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Solution

The fourth proportional to 372,917.52, 559,864.10 and 221,391.22 is: 332,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,917.52 : 559,864.10 = 221,391.22 : x
  2. Step 2: Convert to fraction form
    372,917.52/559,864.10 = 221,391.22/x
  3. Step 3: Cross multiply
    372,917.52x = 559,864.10 × 221,391.22
  4. Step 4: Simplify right side
    372,917.52x = 123,948,996,133.20
  5. Step 5: Solve for x
    x = 123,948,996,133.20/372,917.52
  6. Step 6: Final answer
    x = 332,376.44

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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.