Home / 749,028.10-1,123,542.15-250,327.30

Finding the Fourth Proportional to 749,028.10, 1,123,542.15 and 250,327.30

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Solution

The fourth proportional to 749,028.10, 1,123,542.15 and 250,327.30 is: 375,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,028.10 : 1,123,542.15 = 250,327.30 : x
  2. Step 2: Convert to fraction form
    749,028.10/1,123,542.15 = 250,327.30/x
  3. Step 3: Cross multiply
    749,028.10x = 1,123,542.15 × 250,327.30
  4. Step 4: Simplify right side
    749,028.10x = 281,253,272,845.70
  5. Step 5: Solve for x
    x = 281,253,272,845.70/749,028.10
  6. Step 6: Final answer
    x = 375,490.95

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Half scale
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Double scale
Find fourth proportional to 749,029.10, 1,123,543.65 and 250,328.30
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.