Home / 734,961.60-1,102,442.40-261,694.80

Finding the Fourth Proportional to 734,961.60, 1,102,442.40 and 261,694.80

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Solution

The fourth proportional to 734,961.60, 1,102,442.40 and 261,694.80 is: 392,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,961.60 : 1,102,442.40 = 261,694.80 : x
  2. Step 2: Convert to fraction form
    734,961.60/1,102,442.40 = 261,694.80/x
  3. Step 3: Cross multiply
    734,961.60x = 1,102,442.40 × 261,694.80
  4. Step 4: Simplify right side
    734,961.60x = 288,503,443,379.52
  5. Step 5: Solve for x
    x = 288,503,443,379.52/734,961.60
  6. Step 6: Final answer
    x = 392,542.20

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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.