Home / 805,169.26-1,111,133.73-442,616.50

Finding the Fourth Proportional to 805,169.26, 1,111,133.73 and 442,616.50

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Solution

The fourth proportional to 805,169.26, 1,111,133.73 and 442,616.50 is: 610,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,169.26 : 1,111,133.73 = 442,616.50 : x
  2. Step 2: Convert to fraction form
    805,169.26/1,111,133.73 = 442,616.50/x
  3. Step 3: Cross multiply
    805,169.26x = 1,111,133.73 × 442,616.50
  4. Step 4: Simplify right side
    805,169.26x = 491,806,122,604.55
  5. Step 5: Solve for x
    x = 491,806,122,604.55/805,169.26
  6. Step 6: Final answer
    x = 610,810.85

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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.