Home / 785,417.28-1,083,963.82-475,490.70

Finding the Fourth Proportional to 785,417.28, 1,083,963.82 and 475,490.70

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Solution

The fourth proportional to 785,417.28, 1,083,963.82 and 475,490.70 is: 656,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,417.28 : 1,083,963.82 = 475,490.70 : x
  2. Step 2: Convert to fraction form
    785,417.28/1,083,963.82 = 475,490.70/x
  3. Step 3: Cross multiply
    785,417.28x = 1,083,963.82 × 475,490.70
  4. Step 4: Simplify right side
    785,417.28x = 515,414,715,546.47
  5. Step 5: Solve for x
    x = 515,414,715,546.47/785,417.28
  6. Step 6: Final answer
    x = 656,230.43

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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.