Home / 729,773.70-1,091,708.10-641,200.20

Finding the Fourth Proportional to 729,773.70, 1,091,708.10 and 641,200.20

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Solution

The fourth proportional to 729,773.70, 1,091,708.10 and 641,200.20 is: 959,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,773.70 : 1,091,708.10 = 641,200.20 : x
  2. Step 2: Convert to fraction form
    729,773.70/1,091,708.10 = 641,200.20/x
  3. Step 3: Cross multiply
    729,773.70x = 1,091,708.10 × 641,200.20
  4. Step 4: Simplify right side
    729,773.70x = 700,003,452,061.62
  5. Step 5: Solve for x
    x = 700,003,452,061.62/729,773.70
  6. Step 6: Final answer
    x = 959,206.19

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1.5x scale

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.