Home / 406,320.60-560,747.70-225,023.16

Finding the Fourth Proportional to 406,320.60, 560,747.70 and 225,023.16

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Solution

The fourth proportional to 406,320.60, 560,747.70 and 225,023.16 is: 310,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,320.60 : 560,747.70 = 225,023.16 : x
  2. Step 2: Convert to fraction form
    406,320.60/560,747.70 = 225,023.16/x
  3. Step 3: Cross multiply
    406,320.60x = 560,747.70 × 225,023.16
  4. Step 4: Simplify right side
    406,320.60x = 126,181,219,416.73
  5. Step 5: Solve for x
    x = 126,181,219,416.73/406,320.60
  6. Step 6: Final answer
    x = 310,545.96

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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.