Home / 748,002.10-1,122,003.15-242,562.10

Finding the Fourth Proportional to 748,002.10, 1,122,003.15 and 242,562.10

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Solution

The fourth proportional to 748,002.10, 1,122,003.15 and 242,562.10 is: 363,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,002.10 : 1,122,003.15 = 242,562.10 : x
  2. Step 2: Convert to fraction form
    748,002.10/1,122,003.15 = 242,562.10/x
  3. Step 3: Cross multiply
    748,002.10x = 1,122,003.15 × 242,562.10
  4. Step 4: Simplify right side
    748,002.10x = 272,155,440,270.62
  5. Step 5: Solve for x
    x = 272,155,440,270.62/748,002.10
  6. Step 6: Final answer
    x = 363,843.15

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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.