Home / 927,091.43-1,278,411.21-685,876.27

Finding the Fourth Proportional to 927,091.43, 1,278,411.21 and 685,876.27

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Solution

The fourth proportional to 927,091.43, 1,278,411.21 and 685,876.27 is: 945,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,091.43 : 1,278,411.21 = 685,876.27 : x
  2. Step 2: Convert to fraction form
    927,091.43/1,278,411.21 = 685,876.27/x
  3. Step 3: Cross multiply
    927,091.43x = 1,278,411.21 × 685,876.27
  4. Step 4: Simplify right side
    927,091.43x = 876,831,913,195.55
  5. Step 5: Solve for x
    x = 876,831,913,195.55/927,091.43
  6. Step 6: Final answer
    x = 945,787.96

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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.