Home / 748,900.50-1,123,350.75-250,264.50

Finding the Fourth Proportional to 748,900.50, 1,123,350.75 and 250,264.50

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Solution

The fourth proportional to 748,900.50, 1,123,350.75 and 250,264.50 is: 375,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,900.50 : 1,123,350.75 = 250,264.50 : x
  2. Step 2: Convert to fraction form
    748,900.50/1,123,350.75 = 250,264.50/x
  3. Step 3: Cross multiply
    748,900.50x = 1,123,350.75 × 250,264.50
  4. Step 4: Simplify right side
    748,900.50x = 281,134,813,773.38
  5. Step 5: Solve for x
    x = 281,134,813,773.38/748,900.50
  6. Step 6: Final answer
    x = 375,396.75

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Half scale
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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.