Home / 396,541.60-547,227.84-215,253.44

Finding the Fourth Proportional to 396,541.60, 547,227.84 and 215,253.44

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Solution

The fourth proportional to 396,541.60, 547,227.84 and 215,253.44 is: 297,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,541.60 : 547,227.84 = 215,253.44 : x
  2. Step 2: Convert to fraction form
    396,541.60/547,227.84 = 215,253.44/x
  3. Step 3: Cross multiply
    396,541.60x = 547,227.84 × 215,253.44
  4. Step 4: Simplify right side
    396,541.60x = 117,792,675,023.77
  5. Step 5: Solve for x
    x = 117,792,675,023.77/396,541.60
  6. Step 6: Final answer
    x = 297,049.98

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1.5x scale

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.