Home / 494,218.24-681,511.72-422,834.56

Finding the Fourth Proportional to 494,218.24, 681,511.72 and 422,834.56

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Solution

The fourth proportional to 494,218.24, 681,511.72 and 422,834.56 is: 583,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,218.24 : 681,511.72 = 422,834.56 : x
  2. Step 2: Convert to fraction form
    494,218.24/681,511.72 = 422,834.56/x
  3. Step 3: Cross multiply
    494,218.24x = 681,511.72 × 422,834.56
  4. Step 4: Simplify right side
    494,218.24x = 288,166,708,261.04
  5. Step 5: Solve for x
    x = 288,166,708,261.04/494,218.24
  6. Step 6: Final answer
    x = 583,075.83

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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.