Home / 394,576.12-591,494.70-192,127.96

Finding the Fourth Proportional to 394,576.12, 591,494.70 and 192,127.96

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Solution

The fourth proportional to 394,576.12, 591,494.70 and 192,127.96 is: 288,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,576.12 : 591,494.70 = 192,127.96 : x
  2. Step 2: Convert to fraction form
    394,576.12/591,494.70 = 192,127.96/x
  3. Step 3: Cross multiply
    394,576.12x = 591,494.70 × 192,127.96
  4. Step 4: Simplify right side
    394,576.12x = 113,642,670,061.81
  5. Step 5: Solve for x
    x = 113,642,670,061.81/394,576.12
  6. Step 6: Final answer
    x = 288,012.03

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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.