Home / 1,273,331.71-1,757,163.27-722,148.58

Finding the Fourth Proportional to 1,273,331.71, 1,757,163.27 and 722,148.58

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Solution

The fourth proportional to 1,273,331.71, 1,757,163.27 and 722,148.58 is: 996,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,331.71 : 1,757,163.27 = 722,148.58 : x
  2. Step 2: Convert to fraction form
    1,273,331.71/1,757,163.27 = 722,148.58/x
  3. Step 3: Cross multiply
    1,273,331.71x = 1,757,163.27 × 722,148.58
  4. Step 4: Simplify right side
    1,273,331.71x = 1,268,932,960,258.66
  5. Step 5: Solve for x
    x = 1,268,932,960,258.66/1,273,331.71
  6. Step 6: Final answer
    x = 996,545.48

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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.