Home / 483,975.40-725,570.78-217,540.84

Finding the Fourth Proportional to 483,975.40, 725,570.78 and 217,540.84

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Solution

The fourth proportional to 483,975.40, 725,570.78 and 217,540.84 is: 326,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,975.40 : 725,570.78 = 217,540.84 : x
  2. Step 2: Convert to fraction form
    483,975.40/725,570.78 = 217,540.84/x
  3. Step 3: Cross multiply
    483,975.40x = 725,570.78 × 217,540.84
  4. Step 4: Simplify right side
    483,975.40x = 157,841,276,960.66
  5. Step 5: Solve for x
    x = 157,841,276,960.66/483,975.40
  6. Step 6: Final answer
    x = 326,134.92

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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.