Home / 499,575.12-749,062.55-229,365.11

Finding the Fourth Proportional to 499,575.12, 749,062.55 and 229,365.11

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Solution

The fourth proportional to 499,575.12, 749,062.55 and 229,365.11 is: 343,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,575.12 : 749,062.55 = 229,365.11 : x
  2. Step 2: Convert to fraction form
    499,575.12/749,062.55 = 229,365.11/x
  3. Step 3: Cross multiply
    499,575.12x = 749,062.55 × 229,365.11
  4. Step 4: Simplify right side
    499,575.12x = 171,808,816,623.70
  5. Step 5: Solve for x
    x = 171,808,816,623.70/499,575.12
  6. Step 6: Final answer
    x = 343,909.88

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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.