Home / 1,252,756.82-1,728,809.09-679,796.95

Finding the Fourth Proportional to 1,252,756.82, 1,728,809.09 and 679,796.95

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Solution

The fourth proportional to 1,252,756.82, 1,728,809.09 and 679,796.95 is: 938,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,756.82 : 1,728,809.09 = 679,796.95 : x
  2. Step 2: Convert to fraction form
    1,252,756.82/1,728,809.09 = 679,796.95/x
  3. Step 3: Cross multiply
    1,252,756.82x = 1,728,809.09 × 679,796.95
  4. Step 4: Simplify right side
    1,252,756.82x = 1,175,239,134,471.25
  5. Step 5: Solve for x
    x = 1,175,239,134,471.25/1,252,756.82
  6. Step 6: Final answer
    x = 938,122.32

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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.