Home / 442,031.52-663,243.30-231,619.44

Finding the Fourth Proportional to 442,031.52, 663,243.30 and 231,619.44

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Solution

The fourth proportional to 442,031.52, 663,243.30 and 231,619.44 is: 347,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,031.52 : 663,243.30 = 231,619.44 : x
  2. Step 2: Convert to fraction form
    442,031.52/663,243.30 = 231,619.44/x
  3. Step 3: Cross multiply
    442,031.52x = 663,243.30 × 231,619.44
  4. Step 4: Simplify right side
    442,031.52x = 153,620,041,729.75
  5. Step 5: Solve for x
    x = 153,620,041,729.75/442,031.52
  6. Step 6: Final answer
    x = 347,531.87

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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.