Home / 1,091,964.80-1,638,180.42-382,016

Finding the Fourth Proportional to 1,091,964.80, 1,638,180.42 and 382,016

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Solution

The fourth proportional to 1,091,964.80, 1,638,180.42 and 382,016 is: 573,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,964.80 : 1,638,180.42 = 382,016 : x
  2. Step 2: Convert to fraction form
    1,091,964.80/1,638,180.42 = 382,016/x
  3. Step 3: Cross multiply
    1,091,964.80x = 1,638,180.42 × 382,016
  4. Step 4: Simplify right side
    1,091,964.80x = 625,811,131,326.72
  5. Step 5: Solve for x
    x = 625,811,131,326.72/1,091,964.80
  6. Step 6: Final answer
    x = 573,105.59

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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.