Home / 729,826.80-1,092,115.80-493,630.80

Finding the Fourth Proportional to 729,826.80, 1,092,115.80 and 493,630.80

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Solution

The fourth proportional to 729,826.80, 1,092,115.80 and 493,630.80 is: 738,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,826.80 : 1,092,115.80 = 493,630.80 : x
  2. Step 2: Convert to fraction form
    729,826.80/1,092,115.80 = 493,630.80/x
  3. Step 3: Cross multiply
    729,826.80x = 1,092,115.80 × 493,630.80
  4. Step 4: Simplify right side
    729,826.80x = 539,101,996,046.64
  5. Step 5: Solve for x
    x = 539,101,996,046.64/729,826.80
  6. Step 6: Final answer
    x = 738,671.14

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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.