Home / 1,586,099.92-2,379,118.52-639,449.04

Finding the Fourth Proportional to 1,586,099.92, 2,379,118.52 and 639,449.04

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Solution

The fourth proportional to 1,586,099.92, 2,379,118.52 and 639,449.04 is: 959,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,099.92 : 2,379,118.52 = 639,449.04 : x
  2. Step 2: Convert to fraction form
    1,586,099.92/2,379,118.52 = 639,449.04/x
  3. Step 3: Cross multiply
    1,586,099.92x = 2,379,118.52 × 639,449.04
  4. Step 4: Simplify right side
    1,586,099.92x = 1,521,325,053,660.22
  5. Step 5: Solve for x
    x = 1,521,325,053,660.22/1,586,099.92
  6. Step 6: Final answer
    x = 959,160.92

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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.