Home / 749,033.88-1,123,657.44-243,432.29

Finding the Fourth Proportional to 749,033.88, 1,123,657.44 and 243,432.29

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Solution

The fourth proportional to 749,033.88, 1,123,657.44 and 243,432.29 is: 365,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,033.88 : 1,123,657.44 = 243,432.29 : x
  2. Step 2: Convert to fraction form
    749,033.88/1,123,657.44 = 243,432.29/x
  3. Step 3: Cross multiply
    749,033.88x = 1,123,657.44 × 243,432.29
  4. Step 4: Simplify right side
    749,033.88x = 273,534,503,794.74
  5. Step 5: Solve for x
    x = 273,534,503,794.74/749,033.88
  6. Step 6: Final answer
    x = 365,183.09

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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.