Home / 396,815.98-547,512.24-233,479.61

Finding the Fourth Proportional to 396,815.98, 547,512.24 and 233,479.61

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Solution

The fourth proportional to 396,815.98, 547,512.24 and 233,479.61 is: 322,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,815.98 : 547,512.24 = 233,479.61 : x
  2. Step 2: Convert to fraction form
    396,815.98/547,512.24 = 233,479.61/x
  3. Step 3: Cross multiply
    396,815.98x = 547,512.24 × 233,479.61
  4. Step 4: Simplify right side
    396,815.98x = 127,832,944,265.43
  5. Step 5: Solve for x
    x = 127,832,944,265.43/396,815.98
  6. Step 6: Final answer
    x = 322,146.66

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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.