Home / 526,490.11-789,734.55-171,503.56

Finding the Fourth Proportional to 526,490.11, 789,734.55 and 171,503.56

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Solution

The fourth proportional to 526,490.11, 789,734.55 and 171,503.56 is: 257,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,490.11 : 789,734.55 = 171,503.56 : x
  2. Step 2: Convert to fraction form
    526,490.11/789,734.55 = 171,503.56/x
  3. Step 3: Cross multiply
    526,490.11x = 789,734.55 × 171,503.56
  4. Step 4: Simplify right side
    526,490.11x = 135,442,286,780.00
  5. Step 5: Solve for x
    x = 135,442,286,780.00/526,490.11
  6. Step 6: Final answer
    x = 257,255.14

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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.