Home / 526,256.20-789,391.50-171,271.72

Finding the Fourth Proportional to 526,256.20, 789,391.50 and 171,271.72

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Solution

The fourth proportional to 526,256.20, 789,391.50 and 171,271.72 is: 256,909.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,256.20 : 789,391.50 = 171,271.72 : x
  2. Step 2: Convert to fraction form
    526,256.20/789,391.50 = 171,271.72/x
  3. Step 3: Cross multiply
    526,256.20x = 789,391.50 × 171,271.72
  4. Step 4: Simplify right side
    526,256.20x = 135,200,439,958.38
  5. Step 5: Solve for x
    x = 135,200,439,958.38/526,256.20
  6. Step 6: Final answer
    x = 256,909.92

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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.