Home / 1,236,545.54-1,703,519.61-1,162,143.80

Finding the Fourth Proportional to 1,236,545.54, 1,703,519.61 and 1,162,143.80

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Solution

The fourth proportional to 1,236,545.54, 1,703,519.61 and 1,162,143.80 is: 1,601,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,545.54 : 1,703,519.61 = 1,162,143.80 : x
  2. Step 2: Convert to fraction form
    1,236,545.54/1,703,519.61 = 1,162,143.80/x
  3. Step 3: Cross multiply
    1,236,545.54x = 1,703,519.61 × 1,162,143.80
  4. Step 4: Simplify right side
    1,236,545.54x = 1,979,734,752,939.92
  5. Step 5: Solve for x
    x = 1,979,734,752,939.92/1,236,545.54
  6. Step 6: Final answer
    x = 1,601,020.50

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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.