Home / 395,128.20-590,942.70-332,142.60

Finding the Fourth Proportional to 395,128.20, 590,942.70 and 332,142.60

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Solution

The fourth proportional to 395,128.20, 590,942.70 and 332,142.60 is: 496,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,128.20 : 590,942.70 = 332,142.60 : x
  2. Step 2: Convert to fraction form
    395,128.20/590,942.70 = 332,142.60/x
  3. Step 3: Cross multiply
    395,128.20x = 590,942.70 × 332,142.60
  4. Step 4: Simplify right side
    395,128.20x = 196,277,244,829.02
  5. Step 5: Solve for x
    x = 196,277,244,829.02/395,128.20
  6. Step 6: Final answer
    x = 496,743.20

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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.