Home / 1,253,094.86-1,729,266.54-680,135.03

Finding the Fourth Proportional to 1,253,094.86, 1,729,266.54 and 680,135.03

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Solution

The fourth proportional to 1,253,094.86, 1,729,266.54 and 680,135.03 is: 938,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,094.86 : 1,729,266.54 = 680,135.03 : x
  2. Step 2: Convert to fraction form
    1,253,094.86/1,729,266.54 = 680,135.03/x
  3. Step 3: Cross multiply
    1,253,094.86x = 1,729,266.54 × 680,135.03
  4. Step 4: Simplify right side
    1,253,094.86x = 1,176,134,750,060.90
  5. Step 5: Solve for x
    x = 1,176,134,750,060.90/1,253,094.86
  6. Step 6: Final answer
    x = 938,583.97

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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.