Home / 1,192,248.92-1,644,470.70-809,611.40

Finding the Fourth Proportional to 1,192,248.92, 1,644,470.70 and 809,611.40

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Solution

The fourth proportional to 1,192,248.92, 1,644,470.70 and 809,611.40 is: 1,116,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,248.92 : 1,644,470.70 = 809,611.40 : x
  2. Step 2: Convert to fraction form
    1,192,248.92/1,644,470.70 = 809,611.40/x
  3. Step 3: Cross multiply
    1,192,248.92x = 1,644,470.70 × 809,611.40
  4. Step 4: Simplify right side
    1,192,248.92x = 1,331,382,225,685.98
  5. Step 5: Solve for x
    x = 1,331,382,225,685.98/1,192,248.92
  6. Step 6: Final answer
    x = 1,116,698.20

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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.