Home / 876,640.20-1,314,960.30-734,922.60

Finding the Fourth Proportional to 876,640.20, 1,314,960.30 and 734,922.60

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Solution

The fourth proportional to 876,640.20, 1,314,960.30 and 734,922.60 is: 1,102,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,640.20 : 1,314,960.30 = 734,922.60 : x
  2. Step 2: Convert to fraction form
    876,640.20/1,314,960.30 = 734,922.60/x
  3. Step 3: Cross multiply
    876,640.20x = 1,314,960.30 × 734,922.60
  4. Step 4: Simplify right side
    876,640.20x = 966,394,042,572.78
  5. Step 5: Solve for x
    x = 966,394,042,572.78/876,640.20
  6. Step 6: Final answer
    x = 1,102,383.90

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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.