Home / 747,684.15-1,121,703.01-242,244.31

Finding the Fourth Proportional to 747,684.15, 1,121,703.01 and 242,244.31

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Solution

The fourth proportional to 747,684.15, 1,121,703.01 and 242,244.31 is: 363,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,684.15 : 1,121,703.01 = 242,244.31 : x
  2. Step 2: Convert to fraction form
    747,684.15/1,121,703.01 = 242,244.31/x
  3. Step 3: Cross multiply
    747,684.15x = 1,121,703.01 × 242,244.31
  4. Step 4: Simplify right side
    747,684.15x = 271,726,166,073.86
  5. Step 5: Solve for x
    x = 271,726,166,073.86/747,684.15
  6. Step 6: Final answer
    x = 363,423.73

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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.