Home / 733,706.20-1,100,559.30-521,129.80

Finding the Fourth Proportional to 733,706.20, 1,100,559.30 and 521,129.80

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Solution

The fourth proportional to 733,706.20, 1,100,559.30 and 521,129.80 is: 781,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,706.20 : 1,100,559.30 = 521,129.80 : x
  2. Step 2: Convert to fraction form
    733,706.20/1,100,559.30 = 521,129.80/x
  3. Step 3: Cross multiply
    733,706.20x = 1,100,559.30 × 521,129.80
  4. Step 4: Simplify right side
    733,706.20x = 573,534,247,897.14
  5. Step 5: Solve for x
    x = 573,534,247,897.14/733,706.20
  6. Step 6: Final answer
    x = 781,694.70

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Double scale
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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.