Home / 1,274,408.95-1,757,788.97-838,687.47

Finding the Fourth Proportional to 1,274,408.95, 1,757,788.97 and 838,687.47

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Solution

The fourth proportional to 1,274,408.95, 1,757,788.97 and 838,687.47 is: 1,156,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,408.95 : 1,757,788.97 = 838,687.47 : x
  2. Step 2: Convert to fraction form
    1,274,408.95/1,757,788.97 = 838,687.47/x
  3. Step 3: Cross multiply
    1,274,408.95x = 1,757,788.97 × 838,687.47
  4. Step 4: Simplify right side
    1,274,408.95x = 1,474,235,583,145.62
  5. Step 5: Solve for x
    x = 1,474,235,583,145.62/1,274,408.95
  6. Step 6: Final answer
    x = 1,156,799.46

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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.