Home / 394,319.94-591,529.05-154,402.86

Finding the Fourth Proportional to 394,319.94, 591,529.05 and 154,402.86

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Solution

The fourth proportional to 394,319.94, 591,529.05 and 154,402.86 is: 231,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,319.94 : 591,529.05 = 154,402.86 : x
  2. Step 2: Convert to fraction form
    394,319.94/591,529.05 = 154,402.86/x
  3. Step 3: Cross multiply
    394,319.94x = 591,529.05 × 154,402.86
  4. Step 4: Simplify right side
    394,319.94x = 91,333,777,093.08
  5. Step 5: Solve for x
    x = 91,333,777,093.08/394,319.94
  6. Step 6: Final answer
    x = 231,623.53

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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.