Home / 734,096.70-1,101,145.05-521,520.30

Finding the Fourth Proportional to 734,096.70, 1,101,145.05 and 521,520.30

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Solution

The fourth proportional to 734,096.70, 1,101,145.05 and 521,520.30 is: 782,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,096.70 : 1,101,145.05 = 521,520.30 : x
  2. Step 2: Convert to fraction form
    734,096.70/1,101,145.05 = 521,520.30/x
  3. Step 3: Cross multiply
    734,096.70x = 1,101,145.05 × 521,520.30
  4. Step 4: Simplify right side
    734,096.70x = 574,269,496,819.52
  5. Step 5: Solve for x
    x = 574,269,496,819.52/734,096.70
  6. Step 6: Final answer
    x = 782,280.45

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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.