Home / 466,240.86-643,067.99-321,092.74

Finding the Fourth Proportional to 466,240.86, 643,067.99 and 321,092.74

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Solution

The fourth proportional to 466,240.86, 643,067.99 and 321,092.74 is: 442,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,240.86 : 643,067.99 = 321,092.74 : x
  2. Step 2: Convert to fraction form
    466,240.86/643,067.99 = 321,092.74/x
  3. Step 3: Cross multiply
    466,240.86x = 643,067.99 × 321,092.74
  4. Step 4: Simplify right side
    466,240.86x = 206,484,464,523.06
  5. Step 5: Solve for x
    x = 206,484,464,523.06/466,240.86
  6. Step 6: Final answer
    x = 442,870.81

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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.