Home / 693,787.62-957,722.04-421,942.83

Finding the Fourth Proportional to 693,787.62, 957,722.04 and 421,942.83

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Solution

The fourth proportional to 693,787.62, 957,722.04 and 421,942.83 is: 582,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,787.62 : 957,722.04 = 421,942.83 : x
  2. Step 2: Convert to fraction form
    693,787.62/957,722.04 = 421,942.83/x
  3. Step 3: Cross multiply
    693,787.62x = 957,722.04 × 421,942.83
  4. Step 4: Simplify right side
    693,787.62x = 404,103,947,910.97
  5. Step 5: Solve for x
    x = 404,103,947,910.97/693,787.62
  6. Step 6: Final answer
    x = 582,460.59

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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.