Home / 396,925.20-547,803.95-235,781.10

Finding the Fourth Proportional to 396,925.20, 547,803.95 and 235,781.10

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Solution

The fourth proportional to 396,925.20, 547,803.95 and 235,781.10 is: 325,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,925.20 : 547,803.95 = 235,781.10 : x
  2. Step 2: Convert to fraction form
    396,925.20/547,803.95 = 235,781.10/x
  3. Step 3: Cross multiply
    396,925.20x = 547,803.95 × 235,781.10
  4. Step 4: Simplify right side
    396,925.20x = 129,161,816,736.44
  5. Step 5: Solve for x
    x = 129,161,816,736.44/396,925.20
  6. Step 6: Final answer
    x = 325,405.94

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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.