Home / 809,195.70-1,213,793.55-276,636.90

Finding the Fourth Proportional to 809,195.70, 1,213,793.55 and 276,636.90

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Solution

The fourth proportional to 809,195.70, 1,213,793.55 and 276,636.90 is: 414,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,195.70 : 1,213,793.55 = 276,636.90 : x
  2. Step 2: Convert to fraction form
    809,195.70/1,213,793.55 = 276,636.90/x
  3. Step 3: Cross multiply
    809,195.70x = 1,213,793.55 × 276,636.90
  4. Step 4: Simplify right side
    809,195.70x = 335,780,084,912.00
  5. Step 5: Solve for x
    x = 335,780,084,912.00/809,195.70
  6. Step 6: Final answer
    x = 414,955.35

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Similar ratio
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1.5x scale

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.