Home / 756,291.25-1,043,704.20-416,781.37

Finding the Fourth Proportional to 756,291.25, 1,043,704.20 and 416,781.37

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Solution

The fourth proportional to 756,291.25, 1,043,704.20 and 416,781.37 is: 575,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,291.25 : 1,043,704.20 = 416,781.37 : x
  2. Step 2: Convert to fraction form
    756,291.25/1,043,704.20 = 416,781.37/x
  3. Step 3: Cross multiply
    756,291.25x = 1,043,704.20 × 416,781.37
  4. Step 4: Simplify right side
    756,291.25x = 434,996,466,350.75
  5. Step 5: Solve for x
    x = 434,996,466,350.75/756,291.25
  6. Step 6: Final answer
    x = 575,170.57

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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.