Home / 392,313.28-541,452.72-222,511.36

Finding the Fourth Proportional to 392,313.28, 541,452.72 and 222,511.36

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Solution

The fourth proportional to 392,313.28, 541,452.72 and 222,511.36 is: 307,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,313.28 : 541,452.72 = 222,511.36 : x
  2. Step 2: Convert to fraction form
    392,313.28/541,452.72 = 222,511.36/x
  3. Step 3: Cross multiply
    392,313.28x = 541,452.72 × 222,511.36
  4. Step 4: Simplify right side
    392,313.28x = 120,479,381,102.90
  5. Step 5: Solve for x
    x = 120,479,381,102.90/392,313.28
  6. Step 6: Final answer
    x = 307,099.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.