Home / 526,489.11-789,733.05-171,502.56

Finding the Fourth Proportional to 526,489.11, 789,733.05 and 171,502.56

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Solution

The fourth proportional to 526,489.11, 789,733.05 and 171,502.56 is: 257,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,489.11 : 789,733.05 = 171,502.56 : x
  2. Step 2: Convert to fraction form
    526,489.11/789,733.05 = 171,502.56/x
  3. Step 3: Cross multiply
    526,489.11x = 789,733.05 × 171,502.56
  4. Step 4: Simplify right side
    526,489.11x = 135,441,239,791.61
  5. Step 5: Solve for x
    x = 135,441,239,791.61/526,489.11
  6. Step 6: Final answer
    x = 257,253.64

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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.