Home / 406,545.24-561,024.96-225,256.50

Finding the Fourth Proportional to 406,545.24, 561,024.96 and 225,256.50

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Solution

The fourth proportional to 406,545.24, 561,024.96 and 225,256.50 is: 310,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,545.24 : 561,024.96 = 225,256.50 : x
  2. Step 2: Convert to fraction form
    406,545.24/561,024.96 = 225,256.50/x
  3. Step 3: Cross multiply
    406,545.24x = 561,024.96 × 225,256.50
  4. Step 4: Simplify right side
    406,545.24x = 126,374,518,902.24
  5. Step 5: Solve for x
    x = 126,374,518,902.24/406,545.24
  6. Step 6: Final answer
    x = 310,849.83

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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.