Home / 526,631.79-789,969.57-171,648.90

Finding the Fourth Proportional to 526,631.79, 789,969.57 and 171,648.90

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Solution

The fourth proportional to 526,631.79, 789,969.57 and 171,648.90 is: 257,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,631.79 : 789,969.57 = 171,648.90 : x
  2. Step 2: Convert to fraction form
    526,631.79/789,969.57 = 171,648.90/x
  3. Step 3: Cross multiply
    526,631.79x = 789,969.57 × 171,648.90
  4. Step 4: Simplify right side
    526,631.79x = 135,597,407,723.97
  5. Step 5: Solve for x
    x = 135,597,407,723.97/526,631.79
  6. Step 6: Final answer
    x = 257,480.48

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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.