Home / 467,922.28-645,575.70-381,732.28

Finding the Fourth Proportional to 467,922.28, 645,575.70 and 381,732.28

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Solution

The fourth proportional to 467,922.28, 645,575.70 and 381,732.28 is: 526,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,922.28 : 645,575.70 = 381,732.28 : x
  2. Step 2: Convert to fraction form
    467,922.28/645,575.70 = 381,732.28/x
  3. Step 3: Cross multiply
    467,922.28x = 645,575.70 × 381,732.28
  4. Step 4: Simplify right side
    467,922.28x = 246,437,083,873.60
  5. Step 5: Solve for x
    x = 246,437,083,873.60/467,922.28
  6. Step 6: Final answer
    x = 526,662.43

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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.