Home / 395,132.20-590,948.70-332,146.60

Finding the Fourth Proportional to 395,132.20, 590,948.70 and 332,146.60

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Solution

The fourth proportional to 395,132.20, 590,948.70 and 332,146.60 is: 496,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,132.20 : 590,948.70 = 332,146.60 : x
  2. Step 2: Convert to fraction form
    395,132.20/590,948.70 = 332,146.60/x
  3. Step 3: Cross multiply
    395,132.20x = 590,948.70 × 332,146.60
  4. Step 4: Simplify right side
    395,132.20x = 196,281,601,479.42
  5. Step 5: Solve for x
    x = 196,281,601,479.42/395,132.20
  6. Step 6: Final answer
    x = 496,749.19

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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.