Home / 677,512.27-1,016,367.09-361,796.95

Finding the Fourth Proportional to 677,512.27, 1,016,367.09 and 361,796.95

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Solution

The fourth proportional to 677,512.27, 1,016,367.09 and 361,796.95 is: 542,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,512.27 : 1,016,367.09 = 361,796.95 : x
  2. Step 2: Convert to fraction form
    677,512.27/1,016,367.09 = 361,796.95/x
  3. Step 3: Cross multiply
    677,512.27x = 1,016,367.09 × 361,796.95
  4. Step 4: Simplify right side
    677,512.27x = 367,718,513,242.38
  5. Step 5: Solve for x
    x = 367,718,513,242.38/677,512.27
  6. Step 6: Final answer
    x = 542,748.12

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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.