Home / 995,685.90-1,374,128.19-566,100.78

Finding the Fourth Proportional to 995,685.90, 1,374,128.19 and 566,100.78

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Solution

The fourth proportional to 995,685.90, 1,374,128.19 and 566,100.78 is: 781,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,685.90 : 1,374,128.19 = 566,100.78 : x
  2. Step 2: Convert to fraction form
    995,685.90/1,374,128.19 = 566,100.78/x
  3. Step 3: Cross multiply
    995,685.90x = 1,374,128.19 × 566,100.78
  4. Step 4: Simplify right side
    995,685.90x = 777,895,040,178.99
  5. Step 5: Solve for x
    x = 777,895,040,178.99/995,685.90
  6. Step 6: Final answer
    x = 781,265.50

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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.