Home / 817,324.97-1,127,890.78-473,175.41

Finding the Fourth Proportional to 817,324.97, 1,127,890.78 and 473,175.41

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Solution

The fourth proportional to 817,324.97, 1,127,890.78 and 473,175.41 is: 652,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,324.97 : 1,127,890.78 = 473,175.41 : x
  2. Step 2: Convert to fraction form
    817,324.97/1,127,890.78 = 473,175.41/x
  3. Step 3: Cross multiply
    817,324.97x = 1,127,890.78 × 473,175.41
  4. Step 4: Simplify right side
    817,324.97x = 533,690,175,439.33
  5. Step 5: Solve for x
    x = 533,690,175,439.33/817,324.97
  6. Step 6: Final answer
    x = 652,971.83

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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.