Home / 436,310.96-654,480.75-120,741.44

Finding the Fourth Proportional to 436,310.96, 654,480.75 and 120,741.44

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Solution

The fourth proportional to 436,310.96, 654,480.75 and 120,741.44 is: 181,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,310.96 : 654,480.75 = 120,741.44 : x
  2. Step 2: Convert to fraction form
    436,310.96/654,480.75 = 120,741.44/x
  3. Step 3: Cross multiply
    436,310.96x = 654,480.75 × 120,741.44
  4. Step 4: Simplify right side
    436,310.96x = 79,022,948,207.28
  5. Step 5: Solve for x
    x = 79,022,948,207.28/436,310.96
  6. Step 6: Final answer
    x = 181,116.12

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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.