Home / 748,082.10-1,122,123.15-242,642.10

Finding the Fourth Proportional to 748,082.10, 1,122,123.15 and 242,642.10

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Solution

The fourth proportional to 748,082.10, 1,122,123.15 and 242,642.10 is: 363,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,082.10 : 1,122,123.15 = 242,642.10 : x
  2. Step 2: Convert to fraction form
    748,082.10/1,122,123.15 = 242,642.10/x
  3. Step 3: Cross multiply
    748,082.10x = 1,122,123.15 × 242,642.10
  4. Step 4: Simplify right side
    748,082.10x = 272,274,317,574.62
  5. Step 5: Solve for x
    x = 272,274,317,574.62/748,082.10
  6. Step 6: Final answer
    x = 363,963.15

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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.