Home / 1,253,074.95-1,729,197.17-680,102.82

Finding the Fourth Proportional to 1,253,074.95, 1,729,197.17 and 680,102.82

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Solution

The fourth proportional to 1,253,074.95, 1,729,197.17 and 680,102.82 is: 938,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,074.95 : 1,729,197.17 = 680,102.82 : x
  2. Step 2: Convert to fraction form
    1,253,074.95/1,729,197.17 = 680,102.82/x
  3. Step 3: Cross multiply
    1,253,074.95x = 1,729,197.17 × 680,102.82
  4. Step 4: Simplify right side
    1,253,074.95x = 1,176,031,871,653.02
  5. Step 5: Solve for x
    x = 1,176,031,871,653.02/1,253,074.95
  6. Step 6: Final answer
    x = 938,516.78

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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.