Home / 1,252,792.25-1,728,853.30-679,832.42

Finding the Fourth Proportional to 1,252,792.25, 1,728,853.30 and 679,832.42

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Solution

The fourth proportional to 1,252,792.25, 1,728,853.30 and 679,832.42 is: 938,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,792.25 : 1,728,853.30 = 679,832.42 : x
  2. Step 2: Convert to fraction form
    1,252,792.25/1,728,853.30 = 679,832.42/x
  3. Step 3: Cross multiply
    1,252,792.25x = 1,728,853.30 × 679,832.42
  4. Step 4: Simplify right side
    1,252,792.25x = 1,175,330,510,720.56
  5. Step 5: Solve for x
    x = 1,175,330,510,720.56/1,252,792.25
  6. Step 6: Final answer
    x = 938,168.73

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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.