Home / 885,862.20-1,328,793.30-826,375.80

Finding the Fourth Proportional to 885,862.20, 1,328,793.30 and 826,375.80

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Solution

The fourth proportional to 885,862.20, 1,328,793.30 and 826,375.80 is: 1,239,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,862.20 : 1,328,793.30 = 826,375.80 : x
  2. Step 2: Convert to fraction form
    885,862.20/1,328,793.30 = 826,375.80/x
  3. Step 3: Cross multiply
    885,862.20x = 1,328,793.30 × 826,375.80
  4. Step 4: Simplify right side
    885,862.20x = 1,098,082,626,322.14
  5. Step 5: Solve for x
    x = 1,098,082,626,322.14/885,862.20
  6. Step 6: Final answer
    x = 1,239,563.70

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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.