Home / 1,172,772.54-1,618,578.75-656,722.95

Finding the Fourth Proportional to 1,172,772.54, 1,618,578.75 and 656,722.95

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Solution

The fourth proportional to 1,172,772.54, 1,618,578.75 and 656,722.95 is: 906,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,772.54 : 1,618,578.75 = 656,722.95 : x
  2. Step 2: Convert to fraction form
    1,172,772.54/1,618,578.75 = 656,722.95/x
  3. Step 3: Cross multiply
    1,172,772.54x = 1,618,578.75 × 656,722.95
  4. Step 4: Simplify right side
    1,172,772.54x = 1,062,957,811,507.31
  5. Step 5: Solve for x
    x = 1,062,957,811,507.31/1,172,772.54
  6. Step 6: Final answer
    x = 906,363.15

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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.