Home / 695,375.20-1,043,062.80-252,085.60

Finding the Fourth Proportional to 695,375.20, 1,043,062.80 and 252,085.60

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Solution

The fourth proportional to 695,375.20, 1,043,062.80 and 252,085.60 is: 378,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,375.20 : 1,043,062.80 = 252,085.60 : x
  2. Step 2: Convert to fraction form
    695,375.20/1,043,062.80 = 252,085.60/x
  3. Step 3: Cross multiply
    695,375.20x = 1,043,062.80 × 252,085.60
  4. Step 4: Simplify right side
    695,375.20x = 262,941,111,775.68
  5. Step 5: Solve for x
    x = 262,941,111,775.68/695,375.20
  6. Step 6: Final answer
    x = 378,128.40

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Similar ratio
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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.