Home / 374,330.40-516,634.20-238,422.60

Finding the Fourth Proportional to 374,330.40, 516,634.20 and 238,422.60

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Solution

The fourth proportional to 374,330.40, 516,634.20 and 238,422.60 is: 329,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,330.40 : 516,634.20 = 238,422.60 : x
  2. Step 2: Convert to fraction form
    374,330.40/516,634.20 = 238,422.60/x
  3. Step 3: Cross multiply
    374,330.40x = 516,634.20 × 238,422.60
  4. Step 4: Simplify right side
    374,330.40x = 123,177,269,212.92
  5. Step 5: Solve for x
    x = 123,177,269,212.92/374,330.40
  6. Step 6: Final answer
    x = 329,060.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.