Home / 396,827.91-547,616.70-215,542.22

Finding the Fourth Proportional to 396,827.91, 547,616.70 and 215,542.22

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Solution

The fourth proportional to 396,827.91, 547,616.70 and 215,542.22 is: 297,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,827.91 : 547,616.70 = 215,542.22 : x
  2. Step 2: Convert to fraction form
    396,827.91/547,616.70 = 215,542.22/x
  3. Step 3: Cross multiply
    396,827.91x = 547,616.70 × 215,542.22
  4. Step 4: Simplify right side
    396,827.91x = 118,034,516,488.99
  5. Step 5: Solve for x
    x = 118,034,516,488.99/396,827.91
  6. Step 6: Final answer
    x = 297,445.10

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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.