Home / 864,257.32-1,192,675.20-477,072.88

Finding the Fourth Proportional to 864,257.32, 1,192,675.20 and 477,072.88

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Solution

The fourth proportional to 864,257.32, 1,192,675.20 and 477,072.88 is: 658,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,257.32 : 1,192,675.20 = 477,072.88 : x
  2. Step 2: Convert to fraction form
    864,257.32/1,192,675.20 = 477,072.88/x
  3. Step 3: Cross multiply
    864,257.32x = 1,192,675.20 × 477,072.88
  4. Step 4: Simplify right side
    864,257.32x = 568,992,992,568.58
  5. Step 5: Solve for x
    x = 568,992,992,568.58/864,257.32
  6. Step 6: Final answer
    x = 658,360.63

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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.