Home / 1,227,660.36-1,694,217.30-676,398.72

Finding the Fourth Proportional to 1,227,660.36, 1,694,217.30 and 676,398.72

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Solution

The fourth proportional to 1,227,660.36, 1,694,217.30 and 676,398.72 is: 933,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,660.36 : 1,694,217.30 = 676,398.72 : x
  2. Step 2: Convert to fraction form
    1,227,660.36/1,694,217.30 = 676,398.72/x
  3. Step 3: Cross multiply
    1,227,660.36x = 1,694,217.30 × 676,398.72
  4. Step 4: Simplify right side
    1,227,660.36x = 1,145,966,413,121.86
  5. Step 5: Solve for x
    x = 1,145,966,413,121.86/1,227,660.36
  6. Step 6: Final answer
    x = 933,455.58

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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.