Home / 782,834.88-1,174,250.16-221,874.24

Finding the Fourth Proportional to 782,834.88, 1,174,250.16 and 221,874.24

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Solution

The fourth proportional to 782,834.88, 1,174,250.16 and 221,874.24 is: 332,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,834.88 : 1,174,250.16 = 221,874.24 : x
  2. Step 2: Convert to fraction form
    782,834.88/1,174,250.16 = 221,874.24/x
  3. Step 3: Cross multiply
    782,834.88x = 1,174,250.16 × 221,874.24
  4. Step 4: Simplify right side
    782,834.88x = 260,535,861,819.88
  5. Step 5: Solve for x
    x = 260,535,861,819.88/782,834.88
  6. Step 6: Final answer
    x = 332,810.75

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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.