Home / 1,253,054.53-1,729,216.92-680,094.78

Finding the Fourth Proportional to 1,253,054.53, 1,729,216.92 and 680,094.78

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Solution

The fourth proportional to 1,253,054.53, 1,729,216.92 and 680,094.78 is: 938,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,054.53 : 1,729,216.92 = 680,094.78 : x
  2. Step 2: Convert to fraction form
    1,253,054.53/1,729,216.92 = 680,094.78/x
  3. Step 3: Cross multiply
    1,253,054.53x = 1,729,216.92 × 680,094.78
  4. Step 4: Simplify right side
    1,253,054.53x = 1,176,031,392,133.59
  5. Step 5: Solve for x
    x = 1,176,031,392,133.59/1,253,054.53
  6. Step 6: Final answer
    x = 938,531.70

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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.