Home / 526,629.36-789,793.20-171,674.40

Finding the Fourth Proportional to 526,629.36, 789,793.20 and 171,674.40

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Solution

The fourth proportional to 526,629.36, 789,793.20 and 171,674.40 is: 257,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,629.36 : 789,793.20 = 171,674.40 : x
  2. Step 2: Convert to fraction form
    526,629.36/789,793.20 = 171,674.40/x
  3. Step 3: Cross multiply
    526,629.36x = 789,793.20 × 171,674.40
  4. Step 4: Simplify right side
    526,629.36x = 135,587,273,734.08
  5. Step 5: Solve for x
    x = 135,587,273,734.08/526,629.36
  6. Step 6: Final answer
    x = 257,462.43

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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.