Home / 748,902.10-1,123,353.15-734,905.30

Finding the Fourth Proportional to 748,902.10, 1,123,353.15 and 734,905.30

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Solution

The fourth proportional to 748,902.10, 1,123,353.15 and 734,905.30 is: 1,102,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,902.10 : 1,123,353.15 = 734,905.30 : x
  2. Step 2: Convert to fraction form
    748,902.10/1,123,353.15 = 734,905.30/x
  3. Step 3: Cross multiply
    748,902.10x = 1,123,353.15 × 734,905.30
  4. Step 4: Simplify right side
    748,902.10x = 825,558,183,706.70
  5. Step 5: Solve for x
    x = 825,558,183,706.70/748,902.10
  6. Step 6: Final answer
    x = 1,102,357.95

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Double scale
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Similar ratio
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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.