Home / 327,720.06-452,287.80-200,480.40

Finding the Fourth Proportional to 327,720.06, 452,287.80 and 200,480.40

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Solution

The fourth proportional to 327,720.06, 452,287.80 and 200,480.40 is: 276,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,720.06 : 452,287.80 = 200,480.40 : x
  2. Step 2: Convert to fraction form
    327,720.06/452,287.80 = 200,480.40/x
  3. Step 3: Cross multiply
    327,720.06x = 452,287.80 × 200,480.40
  4. Step 4: Simplify right side
    327,720.06x = 90,674,839,059.12
  5. Step 5: Solve for x
    x = 90,674,839,059.12/327,720.06
  6. Step 6: Final answer
    x = 276,683.82

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1.5x scale

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.