Home / 526,564.80-789,929.10-171,496.20

Finding the Fourth Proportional to 526,564.80, 789,929.10 and 171,496.20

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Solution

The fourth proportional to 526,564.80, 789,929.10 and 171,496.20 is: 257,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,564.80 : 789,929.10 = 171,496.20 : x
  2. Step 2: Convert to fraction form
    526,564.80/789,929.10 = 171,496.20/x
  3. Step 3: Cross multiply
    526,564.80x = 789,929.10 × 171,496.20
  4. Step 4: Simplify right side
    526,564.80x = 135,469,838,919.42
  5. Step 5: Solve for x
    x = 135,469,838,919.42/526,564.80
  6. Step 6: Final answer
    x = 257,270.97

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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.