Home / 394,873.44-592,371.60-128,571.36

Finding the Fourth Proportional to 394,873.44, 592,371.60 and 128,571.36

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Solution

The fourth proportional to 394,873.44, 592,371.60 and 128,571.36 is: 192,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,873.44 : 592,371.60 = 128,571.36 : x
  2. Step 2: Convert to fraction form
    394,873.44/592,371.60 = 128,571.36/x
  3. Step 3: Cross multiply
    394,873.44x = 592,371.60 × 128,571.36
  4. Step 4: Simplify right side
    394,873.44x = 76,162,022,237.38
  5. Step 5: Solve for x
    x = 76,162,022,237.38/394,873.44
  6. Step 6: Final answer
    x = 192,877.04

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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.