Home / 436,728.18-655,092.60-121,185.39

Finding the Fourth Proportional to 436,728.18, 655,092.60 and 121,185.39

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Solution

The fourth proportional to 436,728.18, 655,092.60 and 121,185.39 is: 181,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,728.18 : 655,092.60 = 121,185.39 : x
  2. Step 2: Convert to fraction form
    436,728.18/655,092.60 = 121,185.39/x
  3. Step 3: Cross multiply
    436,728.18x = 655,092.60 × 121,185.39
  4. Step 4: Simplify right side
    436,728.18x = 79,387,652,217.11
  5. Step 5: Solve for x
    x = 79,387,652,217.11/436,728.18
  6. Step 6: Final answer
    x = 181,778.18

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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.