Home / 705,230.60-1,057,629.90-231,806.60

Finding the Fourth Proportional to 705,230.60, 1,057,629.90 and 231,806.60

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Solution

The fourth proportional to 705,230.60, 1,057,629.90 and 231,806.60 is: 347,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,230.60 : 1,057,629.90 = 231,806.60 : x
  2. Step 2: Convert to fraction form
    705,230.60/1,057,629.90 = 231,806.60/x
  3. Step 3: Cross multiply
    705,230.60x = 1,057,629.90 × 231,806.60
  4. Step 4: Simplify right side
    705,230.60x = 245,165,591,177.34
  5. Step 5: Solve for x
    x = 245,165,591,177.34/705,230.60
  6. Step 6: Final answer
    x = 347,638.90

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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.