Home / 892,906.32-1,231,863.44-505,632.76

Finding the Fourth Proportional to 892,906.32, 1,231,863.44 and 505,632.76

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Solution

The fourth proportional to 892,906.32, 1,231,863.44 and 505,632.76 is: 697,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,906.32 : 1,231,863.44 = 505,632.76 : x
  2. Step 2: Convert to fraction form
    892,906.32/1,231,863.44 = 505,632.76/x
  3. Step 3: Cross multiply
    892,906.32x = 1,231,863.44 × 505,632.76
  4. Step 4: Simplify right side
    892,906.32x = 622,870,511,110.29
  5. Step 5: Solve for x
    x = 622,870,511,110.29/892,906.32
  6. Step 6: Final answer
    x = 697,576.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.