Home / 1,253,053.53-1,729,215.54-680,093.78

Finding the Fourth Proportional to 1,253,053.53, 1,729,215.54 and 680,093.78

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Solution

The fourth proportional to 1,253,053.53, 1,729,215.54 and 680,093.78 is: 938,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,053.53 : 1,729,215.54 = 680,093.78 : x
  2. Step 2: Convert to fraction form
    1,253,053.53/1,729,215.54 = 680,093.78/x
  3. Step 3: Cross multiply
    1,253,053.53x = 1,729,215.54 × 680,093.78
  4. Step 4: Simplify right side
    1,253,053.53x = 1,176,028,724,387.26
  5. Step 5: Solve for x
    x = 1,176,028,724,387.26/1,253,053.53
  6. Step 6: Final answer
    x = 938,530.32

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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.