Home / 1,252,757.33-1,728,809.78-679,797.45

Finding the Fourth Proportional to 1,252,757.33, 1,728,809.78 and 679,797.45

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Solution

The fourth proportional to 1,252,757.33, 1,728,809.78 and 679,797.45 is: 938,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,757.33 : 1,728,809.78 = 679,797.45 : x
  2. Step 2: Convert to fraction form
    1,252,757.33/1,728,809.78 = 679,797.45/x
  3. Step 3: Cross multiply
    1,252,757.33x = 1,728,809.78 × 679,797.45
  4. Step 4: Simplify right side
    1,252,757.33x = 1,175,240,476,580.07
  5. Step 5: Solve for x
    x = 1,175,240,476,580.07/1,252,757.33
  6. Step 6: Final answer
    x = 938,123.01

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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.