Home / 800,655.60-1,200,984.18-327,340.95

Finding the Fourth Proportional to 800,655.60, 1,200,984.18 and 327,340.95

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Solution

The fourth proportional to 800,655.60, 1,200,984.18 and 327,340.95 is: 491,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,655.60 : 1,200,984.18 = 327,340.95 : x
  2. Step 2: Convert to fraction form
    800,655.60/1,200,984.18 = 327,340.95/x
  3. Step 3: Cross multiply
    800,655.60x = 1,200,984.18 × 327,340.95
  4. Step 4: Simplify right side
    800,655.60x = 393,131,302,416.17
  5. Step 5: Solve for x
    x = 393,131,302,416.17/800,655.60
  6. Step 6: Final answer
    x = 491,011.74

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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.