Home / 446,027.60-667,097.40-398,982.80

Finding the Fourth Proportional to 446,027.60, 667,097.40 and 398,982.80

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Solution

The fourth proportional to 446,027.60, 667,097.40 and 398,982.80 is: 596,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,027.60 : 667,097.40 = 398,982.80 : x
  2. Step 2: Convert to fraction form
    446,027.60/667,097.40 = 398,982.80/x
  3. Step 3: Cross multiply
    446,027.60x = 667,097.40 × 398,982.80
  4. Step 4: Simplify right side
    446,027.60x = 266,160,388,524.72
  5. Step 5: Solve for x
    x = 266,160,388,524.72/446,027.60
  6. Step 6: Final answer
    x = 596,735.24

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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.