Home / 394,261.71-591,384.04-109,944.69

Finding the Fourth Proportional to 394,261.71, 591,384.04 and 109,944.69

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Solution

The fourth proportional to 394,261.71, 591,384.04 and 109,944.69 is: 164,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,261.71 : 591,384.04 = 109,944.69 : x
  2. Step 2: Convert to fraction form
    394,261.71/591,384.04 = 109,944.69/x
  3. Step 3: Cross multiply
    394,261.71x = 591,384.04 × 109,944.69
  4. Step 4: Simplify right side
    394,261.71x = 65,019,532,456.20
  5. Step 5: Solve for x
    x = 65,019,532,456.20/394,261.71
  6. Step 6: Final answer
    x = 164,914.65

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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.