Home / 1,192,623.24-1,789,764.30-770,853

Finding the Fourth Proportional to 1,192,623.24, 1,789,764.30 and 770,853

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Solution

The fourth proportional to 1,192,623.24, 1,789,764.30 and 770,853 is: 1,156,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,623.24 : 1,789,764.30 = 770,853 : x
  2. Step 2: Convert to fraction form
    1,192,623.24/1,789,764.30 = 770,853/x
  3. Step 3: Cross multiply
    1,192,623.24x = 1,789,764.30 × 770,853
  4. Step 4: Simplify right side
    1,192,623.24x = 1,379,645,179,947.90
  5. Step 5: Solve for x
    x = 1,379,645,179,947.90/1,192,623.24
  6. Step 6: Final answer
    x = 1,156,815.61

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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.