Home / 467,824.32-645,438.96-381,634.29

Finding the Fourth Proportional to 467,824.32, 645,438.96 and 381,634.29

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Solution

The fourth proportional to 467,824.32, 645,438.96 and 381,634.29 is: 526,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,824.32 : 645,438.96 = 381,634.29 : x
  2. Step 2: Convert to fraction form
    467,824.32/645,438.96 = 381,634.29/x
  3. Step 3: Cross multiply
    467,824.32x = 645,438.96 × 381,634.29
  4. Step 4: Simplify right side
    467,824.32x = 246,321,639,237.94
  5. Step 5: Solve for x
    x = 246,321,639,237.94/467,824.32
  6. Step 6: Final answer
    x = 526,525.94

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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.