Home / 1,252,836.23-1,728,915.13-679,876.41

Finding the Fourth Proportional to 1,252,836.23, 1,728,915.13 and 679,876.41

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Solution

The fourth proportional to 1,252,836.23, 1,728,915.13 and 679,876.41 is: 938,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,836.23 : 1,728,915.13 = 679,876.41 : x
  2. Step 2: Convert to fraction form
    1,252,836.23/1,728,915.13 = 679,876.41/x
  3. Step 3: Cross multiply
    1,252,836.23x = 1,728,915.13 × 679,876.41
  4. Step 4: Simplify right side
    1,252,836.23x = 1,175,448,612,628.93
  5. Step 5: Solve for x
    x = 1,175,448,612,628.93/1,252,836.23
  6. Step 6: Final answer
    x = 938,230.06

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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.