Home / 327,688.46-452,349.44-220,320.76

Finding the Fourth Proportional to 327,688.46, 452,349.44 and 220,320.76

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Solution

The fourth proportional to 327,688.46, 452,349.44 and 220,320.76 is: 304,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,688.46 : 452,349.44 = 220,320.76 : x
  2. Step 2: Convert to fraction form
    327,688.46/452,349.44 = 220,320.76/x
  3. Step 3: Cross multiply
    327,688.46x = 452,349.44 × 220,320.76
  4. Step 4: Simplify right side
    327,688.46x = 99,661,972,406.37
  5. Step 5: Solve for x
    x = 99,661,972,406.37/327,688.46
  6. Step 6: Final answer
    x = 304,136.35

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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.