Home / 1,273,171.06-1,756,545.54-721,827.58

Finding the Fourth Proportional to 1,273,171.06, 1,756,545.54 and 721,827.58

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Solution

The fourth proportional to 1,273,171.06, 1,756,545.54 and 721,827.58 is: 995,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,171.06 : 1,756,545.54 = 721,827.58 : x
  2. Step 2: Convert to fraction form
    1,273,171.06/1,756,545.54 = 721,827.58/x
  3. Step 3: Cross multiply
    1,273,171.06x = 1,756,545.54 × 721,827.58
  4. Step 4: Simplify right side
    1,273,171.06x = 1,267,923,016,297.99
  5. Step 5: Solve for x
    x = 1,267,923,016,297.99/1,273,171.06
  6. Step 6: Final answer
    x = 995,877.97

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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.