Home / 1,204,073.40-1,661,557.46-687,725.89

Finding the Fourth Proportional to 1,204,073.40, 1,661,557.46 and 687,725.89

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Solution

The fourth proportional to 1,204,073.40, 1,661,557.46 and 687,725.89 is: 949,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,073.40 : 1,661,557.46 = 687,725.89 : x
  2. Step 2: Convert to fraction form
    1,204,073.40/1,661,557.46 = 687,725.89/x
  3. Step 3: Cross multiply
    1,204,073.40x = 1,661,557.46 × 687,725.89
  4. Step 4: Simplify right side
    1,204,073.40x = 1,142,696,084,718.38
  5. Step 5: Solve for x
    x = 1,142,696,084,718.38/1,204,073.40
  6. Step 6: Final answer
    x = 949,025.27

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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.