Home / 397,407.04-596,373.18-187,105.12

Finding the Fourth Proportional to 397,407.04, 596,373.18 and 187,105.12

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Solution

The fourth proportional to 397,407.04, 596,373.18 and 187,105.12 is: 280,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,407.04 : 596,373.18 = 187,105.12 : x
  2. Step 2: Convert to fraction form
    397,407.04/596,373.18 = 187,105.12/x
  3. Step 3: Cross multiply
    397,407.04x = 596,373.18 × 187,105.12
  4. Step 4: Simplify right side
    397,407.04x = 111,584,475,408.68
  5. Step 5: Solve for x
    x = 111,584,475,408.68/397,407.04
  6. Step 6: Final answer
    x = 280,781.33

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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.