Home / 593,053.31-818,414.01-321,121.40

Finding the Fourth Proportional to 593,053.31, 818,414.01 and 321,121.40

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Solution

The fourth proportional to 593,053.31, 818,414.01 and 321,121.40 is: 443,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,053.31 : 818,414.01 = 321,121.40 : x
  2. Step 2: Convert to fraction form
    593,053.31/818,414.01 = 321,121.40/x
  3. Step 3: Cross multiply
    593,053.31x = 818,414.01 × 321,121.40
  4. Step 4: Simplify right side
    593,053.31x = 262,810,248,578.74
  5. Step 5: Solve for x
    x = 262,810,248,578.74/593,053.31
  6. Step 6: Final answer
    x = 443,147.76

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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.