Home / 834,344.85-1,251,553.68-408,239.47

Finding the Fourth Proportional to 834,344.85, 1,251,553.68 and 408,239.47

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Solution

The fourth proportional to 834,344.85, 1,251,553.68 and 408,239.47 is: 612,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,344.85 : 1,251,553.68 = 408,239.47 : x
  2. Step 2: Convert to fraction form
    834,344.85/1,251,553.68 = 408,239.47/x
  3. Step 3: Cross multiply
    834,344.85x = 1,251,553.68 × 408,239.47
  4. Step 4: Simplify right side
    834,344.85x = 510,933,609,044.20
  5. Step 5: Solve for x
    x = 510,933,609,044.20/834,344.85
  6. Step 6: Final answer
    x = 612,377.01

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1.5x scale

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.