Home / 526,340.89-789,325.03-171,288.73

Finding the Fourth Proportional to 526,340.89, 789,325.03 and 171,288.73

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Solution

The fourth proportional to 526,340.89, 789,325.03 and 171,288.73 is: 256,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,340.89 : 789,325.03 = 171,288.73 : x
  2. Step 2: Convert to fraction form
    526,340.89/789,325.03 = 171,288.73/x
  3. Step 3: Cross multiply
    526,340.89x = 789,325.03 × 171,288.73
  4. Step 4: Simplify right side
    526,340.89x = 135,202,481,945.91
  5. Step 5: Solve for x
    x = 135,202,481,945.91/526,340.89
  6. Step 6: Final answer
    x = 256,872.47

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1.5x scale

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.