Home / 1,280,827.94-1,917,256.10-806,516.87

Finding the Fourth Proportional to 1,280,827.94, 1,917,256.10 and 806,516.87

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Solution

The fourth proportional to 1,280,827.94, 1,917,256.10 and 806,516.87 is: 1,207,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,827.94 : 1,917,256.10 = 806,516.87 : x
  2. Step 2: Convert to fraction form
    1,280,827.94/1,917,256.10 = 806,516.87/x
  3. Step 3: Cross multiply
    1,280,827.94x = 1,917,256.10 × 806,516.87
  4. Step 4: Simplify right side
    1,280,827.94x = 1,546,299,375,141.54
  5. Step 5: Solve for x
    x = 1,546,299,375,141.54/1,280,827.94
  6. Step 6: Final answer
    x = 1,207,265.50

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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.