Home / 406,432.83-560,869.95-225,144.20

Finding the Fourth Proportional to 406,432.83, 560,869.95 and 225,144.20

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Solution

The fourth proportional to 406,432.83, 560,869.95 and 225,144.20 is: 310,694.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,432.83 : 560,869.95 = 225,144.20 : x
  2. Step 2: Convert to fraction form
    406,432.83/560,869.95 = 225,144.20/x
  3. Step 3: Cross multiply
    406,432.83x = 560,869.95 × 225,144.20
  4. Step 4: Simplify right side
    406,432.83x = 126,276,614,236.73
  5. Step 5: Solve for x
    x = 126,276,614,236.73/406,432.83
  6. Step 6: Final answer
    x = 310,694.92

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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.