Home / 862,772.46-1,192,778.33-647,538.86

Finding the Fourth Proportional to 862,772.46, 1,192,778.33 and 647,538.86

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Solution

The fourth proportional to 862,772.46, 1,192,778.33 and 647,538.86 is: 895,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,772.46 : 1,192,778.33 = 647,538.86 : x
  2. Step 2: Convert to fraction form
    862,772.46/1,192,778.33 = 647,538.86/x
  3. Step 3: Cross multiply
    862,772.46x = 1,192,778.33 × 647,538.86
  4. Step 4: Simplify right side
    862,772.46x = 772,370,318,539.39
  5. Step 5: Solve for x
    x = 772,370,318,539.39/862,772.46
  6. Step 6: Final answer
    x = 895,219.02

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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.