Home / 741,221.11-1,022,886-401,689.36

Finding the Fourth Proportional to 741,221.11, 1,022,886 and 401,689.36

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Solution

The fourth proportional to 741,221.11, 1,022,886 and 401,689.36 is: 554,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,221.11 : 1,022,886 = 401,689.36 : x
  2. Step 2: Convert to fraction form
    741,221.11/1,022,886 = 401,689.36/x
  3. Step 3: Cross multiply
    741,221.11x = 1,022,886 × 401,689.36
  4. Step 4: Simplify right side
    741,221.11x = 410,882,422,692.96
  5. Step 5: Solve for x
    x = 410,882,422,692.96/741,221.11
  6. Step 6: Final answer
    x = 554,331.79

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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.