Home / 747,451.50-1,121,355.85-242,013.02

Finding the Fourth Proportional to 747,451.50, 1,121,355.85 and 242,013.02

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Solution

The fourth proportional to 747,451.50, 1,121,355.85 and 242,013.02 is: 363,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,451.50 : 1,121,355.85 = 242,013.02 : x
  2. Step 2: Convert to fraction form
    747,451.50/1,121,355.85 = 242,013.02/x
  3. Step 3: Cross multiply
    747,451.50x = 1,121,355.85 × 242,013.02
  4. Step 4: Simplify right side
    747,451.50x = 271,382,709,995.13
  5. Step 5: Solve for x
    x = 271,382,709,995.13/747,451.50
  6. Step 6: Final answer
    x = 363,077.35

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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.