Home / 327,684.47-452,343.92-220,316.76

Finding the Fourth Proportional to 327,684.47, 452,343.92 and 220,316.76

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Solution

The fourth proportional to 327,684.47, 452,343.92 and 220,316.76 is: 304,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,684.47 : 452,343.92 = 220,316.76 : x
  2. Step 2: Convert to fraction form
    327,684.47/452,343.92 = 220,316.76/x
  3. Step 3: Cross multiply
    327,684.47x = 452,343.92 × 220,316.76
  4. Step 4: Simplify right side
    327,684.47x = 99,658,945,758.52
  5. Step 5: Solve for x
    x = 99,658,945,758.52/327,684.47
  6. Step 6: Final answer
    x = 304,130.82

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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.