Home / 832,490.60-1,248,517.20-359,070.71

Finding the Fourth Proportional to 832,490.60, 1,248,517.20 and 359,070.71

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Solution

The fourth proportional to 832,490.60, 1,248,517.20 and 359,070.71 is: 538,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,490.60 : 1,248,517.20 = 359,070.71 : x
  2. Step 2: Convert to fraction form
    832,490.60/1,248,517.20 = 359,070.71/x
  3. Step 3: Cross multiply
    832,490.60x = 1,248,517.20 × 359,070.71
  4. Step 4: Simplify right side
    832,490.60x = 448,305,957,451.21
  5. Step 5: Solve for x
    x = 448,305,957,451.21/832,490.60
  6. Step 6: Final answer
    x = 538,511.74

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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.