Home / 466,240.61-643,067.64-321,092.49

Finding the Fourth Proportional to 466,240.61, 643,067.64 and 321,092.49

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Solution

The fourth proportional to 466,240.61, 643,067.64 and 321,092.49 is: 442,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,240.61 : 643,067.64 = 321,092.49 : x
  2. Step 2: Convert to fraction form
    466,240.61/643,067.64 = 321,092.49/x
  3. Step 3: Cross multiply
    466,240.61x = 643,067.64 × 321,092.49
  4. Step 4: Simplify right side
    466,240.61x = 206,484,192,627.82
  5. Step 5: Solve for x
    x = 206,484,192,627.82/466,240.61
  6. Step 6: Final answer
    x = 442,870.46

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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.