Home / 409,119.30-564,293.80-273,084.66

Finding the Fourth Proportional to 409,119.30, 564,293.80 and 273,084.66

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Solution

The fourth proportional to 409,119.30, 564,293.80 and 273,084.66 is: 376,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,119.30 : 564,293.80 = 273,084.66 : x
  2. Step 2: Convert to fraction form
    409,119.30/564,293.80 = 273,084.66/x
  3. Step 3: Cross multiply
    409,119.30x = 564,293.80 × 273,084.66
  4. Step 4: Simplify right side
    409,119.30x = 154,099,979,147.69
  5. Step 5: Solve for x
    x = 154,099,979,147.69/409,119.30
  6. Step 6: Final answer
    x = 376,662.70

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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.