Home / 664,527.20-996,936.60-215,171.60

Finding the Fourth Proportional to 664,527.20, 996,936.60 and 215,171.60

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Solution

The fourth proportional to 664,527.20, 996,936.60 and 215,171.60 is: 322,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,527.20 : 996,936.60 = 215,171.60 : x
  2. Step 2: Convert to fraction form
    664,527.20/996,936.60 = 215,171.60/x
  3. Step 3: Cross multiply
    664,527.20x = 996,936.60 × 215,171.60
  4. Step 4: Simplify right side
    664,527.20x = 214,512,443,320.56
  5. Step 5: Solve for x
    x = 214,512,443,320.56/664,527.20
  6. Step 6: Final answer
    x = 322,804.61

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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.