Home / 576,436.84-795,469.62-321,811.72

Finding the Fourth Proportional to 576,436.84, 795,469.62 and 321,811.72

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Solution

The fourth proportional to 576,436.84, 795,469.62 and 321,811.72 is: 444,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,436.84 : 795,469.62 = 321,811.72 : x
  2. Step 2: Convert to fraction form
    576,436.84/795,469.62 = 321,811.72/x
  3. Step 3: Cross multiply
    576,436.84x = 795,469.62 × 321,811.72
  4. Step 4: Simplify right side
    576,436.84x = 255,991,446,619.95
  5. Step 5: Solve for x
    x = 255,991,446,619.95/576,436.84
  6. Step 6: Final answer
    x = 444,092.79

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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.