Home / 1,876,545.72-2,589,637.68-1,017,105.12

Finding the Fourth Proportional to 1,876,545.72, 2,589,637.68 and 1,017,105.12

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Solution

The fourth proportional to 1,876,545.72, 2,589,637.68 and 1,017,105.12 is: 1,403,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,545.72 : 2,589,637.68 = 1,017,105.12 : x
  2. Step 2: Convert to fraction form
    1,876,545.72/2,589,637.68 = 1,017,105.12/x
  3. Step 3: Cross multiply
    1,876,545.72x = 2,589,637.68 × 1,017,105.12
  4. Step 4: Simplify right side
    1,876,545.72x = 2,633,933,743,272.92
  5. Step 5: Solve for x
    x = 2,633,933,743,272.92/1,876,545.72
  6. Step 6: Final answer
    x = 1,403,607.55

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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.