Home / 436,286.56-654,444.48-120,717.04

Finding the Fourth Proportional to 436,286.56, 654,444.48 and 120,717.04

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Solution

The fourth proportional to 436,286.56, 654,444.48 and 120,717.04 is: 181,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,286.56 : 654,444.48 = 120,717.04 : x
  2. Step 2: Convert to fraction form
    436,286.56/654,444.48 = 120,717.04/x
  3. Step 3: Cross multiply
    436,286.56x = 654,444.48 × 120,717.04
  4. Step 4: Simplify right side
    436,286.56x = 79,002,600,469.94
  5. Step 5: Solve for x
    x = 79,002,600,469.94/436,286.56
  6. Step 6: Final answer
    x = 181,079.61

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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.