Home / 324,837.40-486,564.90-269,541.40

Finding the Fourth Proportional to 324,837.40, 486,564.90 and 269,541.40

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Solution

The fourth proportional to 324,837.40, 486,564.90 and 269,541.40 is: 403,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,837.40 : 486,564.90 = 269,541.40 : x
  2. Step 2: Convert to fraction form
    324,837.40/486,564.90 = 269,541.40/x
  3. Step 3: Cross multiply
    324,837.40x = 486,564.90 × 269,541.40
  4. Step 4: Simplify right side
    324,837.40x = 131,149,384,336.86
  5. Step 5: Solve for x
    x = 131,149,384,336.86/324,837.40
  6. Step 6: Final answer
    x = 403,738.56

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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.