Home / 1,274,456.22-1,757,853.94-838,734.75

Finding the Fourth Proportional to 1,274,456.22, 1,757,853.94 and 838,734.75

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Solution

The fourth proportional to 1,274,456.22, 1,757,853.94 and 838,734.75 is: 1,156,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,456.22 : 1,757,853.94 = 838,734.75 : x
  2. Step 2: Convert to fraction form
    1,274,456.22/1,757,853.94 = 838,734.75/x
  3. Step 3: Cross multiply
    1,274,456.22x = 1,757,853.94 × 838,734.75
  4. Step 4: Simplify right side
    1,274,456.22x = 1,474,373,184,902.42
  5. Step 5: Solve for x
    x = 1,474,373,184,902.42/1,274,456.22
  6. Step 6: Final answer
    x = 1,156,864.52

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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.