Home / 526,414.40-789,676.91-171,456.06

Finding the Fourth Proportional to 526,414.40, 789,676.91 and 171,456.06

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Solution

The fourth proportional to 526,414.40, 789,676.91 and 171,456.06 is: 257,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,414.40 : 789,676.91 = 171,456.06 : x
  2. Step 2: Convert to fraction form
    526,414.40/789,676.91 = 171,456.06/x
  3. Step 3: Cross multiply
    526,414.40x = 789,676.91 × 171,456.06
  4. Step 4: Simplify right side
    526,414.40x = 135,394,891,661.58
  5. Step 5: Solve for x
    x = 135,394,891,661.58/526,414.40
  6. Step 6: Final answer
    x = 257,202.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.