Home / 809,586.97-1,116,761.67-523,107.05

Finding the Fourth Proportional to 809,586.97, 1,116,761.67 and 523,107.05

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Solution

The fourth proportional to 809,586.97, 1,116,761.67 and 523,107.05 is: 721,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,586.97 : 1,116,761.67 = 523,107.05 : x
  2. Step 2: Convert to fraction form
    809,586.97/1,116,761.67 = 523,107.05/x
  3. Step 3: Cross multiply
    809,586.97x = 1,116,761.67 × 523,107.05
  4. Step 4: Simplify right side
    809,586.97x = 584,185,897,162.97
  5. Step 5: Solve for x
    x = 584,185,897,162.97/809,586.97
  6. Step 6: Final answer
    x = 721,585.11

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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.