Home / 442,044.32-663,065.88-205,257.52

Finding the Fourth Proportional to 442,044.32, 663,065.88 and 205,257.52

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Solution

The fourth proportional to 442,044.32, 663,065.88 and 205,257.52 is: 307,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,044.32 : 663,065.88 = 205,257.52 : x
  2. Step 2: Convert to fraction form
    442,044.32/663,065.88 = 205,257.52/x
  3. Step 3: Cross multiply
    442,044.32x = 663,065.88 × 205,257.52
  4. Step 4: Simplify right side
    442,044.32x = 136,099,258,125.42
  5. Step 5: Solve for x
    x = 136,099,258,125.42/442,044.32
  6. Step 6: Final answer
    x = 307,886.00

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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.