Home / 396,727.20-595,178.28-130,476.96

Finding the Fourth Proportional to 396,727.20, 595,178.28 and 130,476.96

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Solution

The fourth proportional to 396,727.20, 595,178.28 and 130,476.96 is: 195,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,727.20 : 595,178.28 = 130,476.96 : x
  2. Step 2: Convert to fraction form
    396,727.20/595,178.28 = 130,476.96/x
  3. Step 3: Cross multiply
    396,727.20x = 595,178.28 × 130,476.96
  4. Step 4: Simplify right side
    396,727.20x = 77,657,052,632.43
  5. Step 5: Solve for x
    x = 77,657,052,632.43/396,727.20
  6. Step 6: Final answer
    x = 195,744.21

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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.