Home / 782,976.40-1,174,553.32-702,520.06

Finding the Fourth Proportional to 782,976.40, 1,174,553.32 and 702,520.06

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Solution

The fourth proportional to 782,976.40, 1,174,553.32 and 702,520.06 is: 1,053,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,976.40 : 1,174,553.32 = 702,520.06 : x
  2. Step 2: Convert to fraction form
    782,976.40/1,174,553.32 = 702,520.06/x
  3. Step 3: Cross multiply
    782,976.40x = 1,174,553.32 × 702,520.06
  4. Step 4: Simplify right side
    782,976.40x = 825,147,268,839.60
  5. Step 5: Solve for x
    x = 825,147,268,839.60/782,976.40
  6. Step 6: Final answer
    x = 1,053,859.69

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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.