Home / 394,274.20-591,460.49-154,357.11

Finding the Fourth Proportional to 394,274.20, 591,460.49 and 154,357.11

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Solution

The fourth proportional to 394,274.20, 591,460.49 and 154,357.11 is: 231,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,274.20 : 591,460.49 = 154,357.11 : x
  2. Step 2: Convert to fraction form
    394,274.20/591,460.49 = 154,357.11/x
  3. Step 3: Cross multiply
    394,274.20x = 591,460.49 × 154,357.11
  4. Step 4: Simplify right side
    394,274.20x = 91,296,131,915.58
  5. Step 5: Solve for x
    x = 91,296,131,915.58/394,274.20
  6. Step 6: Final answer
    x = 231,554.92

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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.