Home / 1,252,846.62-1,728,928.27-679,886.79

Finding the Fourth Proportional to 1,252,846.62, 1,728,928.27 and 679,886.79

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Solution

The fourth proportional to 1,252,846.62, 1,728,928.27 and 679,886.79 is: 938,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,846.62 : 1,728,928.27 = 679,886.79 : x
  2. Step 2: Convert to fraction form
    1,252,846.62/1,728,928.27 = 679,886.79/x
  3. Step 3: Cross multiply
    1,252,846.62x = 1,728,928.27 × 679,886.79
  4. Step 4: Simplify right side
    1,252,846.62x = 1,175,475,491,630.55
  5. Step 5: Solve for x
    x = 1,175,475,491,630.55/1,252,846.62
  6. Step 6: Final answer
    x = 938,243.73

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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.