Home / 407,899.44-611,935.83-171,105.66

Finding the Fourth Proportional to 407,899.44, 611,935.83 and 171,105.66

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Solution

The fourth proportional to 407,899.44, 611,935.83 and 171,105.66 is: 256,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,899.44 : 611,935.83 = 171,105.66 : x
  2. Step 2: Convert to fraction form
    407,899.44/611,935.83 = 171,105.66/x
  3. Step 3: Cross multiply
    407,899.44x = 611,935.83 × 171,105.66
  4. Step 4: Simplify right side
    407,899.44x = 104,705,684,069.80
  5. Step 5: Solve for x
    x = 104,705,684,069.80/407,899.44
  6. Step 6: Final answer
    x = 256,694.85

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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.