Home / 396,443.13-547,545.59-261,082.14

Finding the Fourth Proportional to 396,443.13, 547,545.59 and 261,082.14

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Solution

The fourth proportional to 396,443.13, 547,545.59 and 261,082.14 is: 360,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,443.13 : 547,545.59 = 261,082.14 : x
  2. Step 2: Convert to fraction form
    396,443.13/547,545.59 = 261,082.14/x
  3. Step 3: Cross multiply
    396,443.13x = 547,545.59 × 261,082.14
  4. Step 4: Simplify right side
    396,443.13x = 142,954,374,384.76
  5. Step 5: Solve for x
    x = 142,954,374,384.76/396,443.13
  6. Step 6: Final answer
    x = 360,592.39

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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.