Home / 782,024.40-1,174,462.20-684,046.80

Finding the Fourth Proportional to 782,024.40, 1,174,462.20 and 684,046.80

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Solution

The fourth proportional to 782,024.40, 1,174,462.20 and 684,046.80 is: 1,027,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,024.40 : 1,174,462.20 = 684,046.80 : x
  2. Step 2: Convert to fraction form
    782,024.40/1,174,462.20 = 684,046.80/x
  3. Step 3: Cross multiply
    782,024.40x = 1,174,462.20 × 684,046.80
  4. Step 4: Simplify right side
    782,024.40x = 803,387,109,630.96
  5. Step 5: Solve for x
    x = 803,387,109,630.96/782,024.40
  6. Step 6: Final answer
    x = 1,027,317.19

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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.