Home / 1,205,939.97-1,806,545.57-699,436.85

Finding the Fourth Proportional to 1,205,939.97, 1,806,545.57 and 699,436.85

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Solution

The fourth proportional to 1,205,939.97, 1,806,545.57 and 699,436.85 is: 1,047,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,939.97 : 1,806,545.57 = 699,436.85 : x
  2. Step 2: Convert to fraction form
    1,205,939.97/1,806,545.57 = 699,436.85/x
  3. Step 3: Cross multiply
    1,205,939.97x = 1,806,545.57 × 699,436.85
  4. Step 4: Simplify right side
    1,205,939.97x = 1,263,564,530,332.34
  5. Step 5: Solve for x
    x = 1,263,564,530,332.34/1,205,939.97
  6. Step 6: Final answer
    x = 1,047,783.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.