Home / 782,974.40-1,174,550.32-702,518.06

Finding the Fourth Proportional to 782,974.40, 1,174,550.32 and 702,518.06

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Solution

The fourth proportional to 782,974.40, 1,174,550.32 and 702,518.06 is: 1,053,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,974.40 : 1,174,550.32 = 702,518.06 : x
  2. Step 2: Convert to fraction form
    782,974.40/1,174,550.32 = 702,518.06/x
  3. Step 3: Cross multiply
    782,974.40x = 1,174,550.32 × 702,518.06
  4. Step 4: Simplify right side
    782,974.40x = 825,142,812,178.78
  5. Step 5: Solve for x
    x = 825,142,812,178.78/782,974.40
  6. Step 6: Final answer
    x = 1,053,856.69

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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.