Home / 862,191.06-1,293,286.86-263,155.56

Finding the Fourth Proportional to 862,191.06, 1,293,286.86 and 263,155.56

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Solution

The fourth proportional to 862,191.06, 1,293,286.86 and 263,155.56 is: 394,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,191.06 : 1,293,286.86 = 263,155.56 : x
  2. Step 2: Convert to fraction form
    862,191.06/1,293,286.86 = 263,155.56/x
  3. Step 3: Cross multiply
    862,191.06x = 1,293,286.86 × 263,155.56
  4. Step 4: Simplify right side
    862,191.06x = 340,335,627,883.94
  5. Step 5: Solve for x
    x = 340,335,627,883.94/862,191.06
  6. Step 6: Final answer
    x = 394,733.42

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Double scale
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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.