Home / 327,708.10-492,080.55-239,580.10

Finding the Fourth Proportional to 327,708.10, 492,080.55 and 239,580.10

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Solution

The fourth proportional to 327,708.10, 492,080.55 and 239,580.10 is: 359,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,708.10 : 492,080.55 = 239,580.10 : x
  2. Step 2: Convert to fraction form
    327,708.10/492,080.55 = 239,580.10/x
  3. Step 3: Cross multiply
    327,708.10x = 492,080.55 × 239,580.10
  4. Step 4: Simplify right side
    327,708.10x = 117,892,707,377.06
  5. Step 5: Solve for x
    x = 117,892,707,377.06/327,708.10
  6. Step 6: Final answer
    x = 359,749.14

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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.