Home / 483,736.20-725,407.47-217,425.21

Finding the Fourth Proportional to 483,736.20, 725,407.47 and 217,425.21

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Solution

The fourth proportional to 483,736.20, 725,407.47 and 217,425.21 is: 326,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,736.20 : 725,407.47 = 217,425.21 : x
  2. Step 2: Convert to fraction form
    483,736.20/725,407.47 = 217,425.21/x
  3. Step 3: Cross multiply
    483,736.20x = 725,407.47 × 217,425.21
  4. Step 4: Simplify right side
    483,736.20x = 157,721,871,500.32
  5. Step 5: Solve for x
    x = 157,721,871,500.32/483,736.20
  6. Step 6: Final answer
    x = 326,049.35

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1.5x scale

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.