Home / 439,475.20-659,234.40-229,523.20

Finding the Fourth Proportional to 439,475.20, 659,234.40 and 229,523.20

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Solution

The fourth proportional to 439,475.20, 659,234.40 and 229,523.20 is: 344,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,475.20 : 659,234.40 = 229,523.20 : x
  2. Step 2: Convert to fraction form
    439,475.20/659,234.40 = 229,523.20/x
  3. Step 3: Cross multiply
    439,475.20x = 659,234.40 × 229,523.20
  4. Step 4: Simplify right side
    439,475.20x = 151,309,589,038.08
  5. Step 5: Solve for x
    x = 151,309,589,038.08/439,475.20
  6. Step 6: Final answer
    x = 344,296.08

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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.