Home / 862,867.15-1,192,908.86-647,633.54

Finding the Fourth Proportional to 862,867.15, 1,192,908.86 and 647,633.54

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Solution

The fourth proportional to 862,867.15, 1,192,908.86 and 647,633.54 is: 895,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,867.15 : 1,192,908.86 = 647,633.54 : x
  2. Step 2: Convert to fraction form
    862,867.15/1,192,908.86 = 647,633.54/x
  3. Step 3: Cross multiply
    862,867.15x = 1,192,908.86 × 647,633.54
  4. Step 4: Simplify right side
    862,867.15x = 772,567,787,899.17
  5. Step 5: Solve for x
    x = 772,567,787,899.17/862,867.15
  6. Step 6: Final answer
    x = 895,349.64

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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.