Home / 593,155.47-818,553.31-321,222.53

Finding the Fourth Proportional to 593,155.47, 818,553.31 and 321,222.53

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Solution

The fourth proportional to 593,155.47, 818,553.31 and 321,222.53 is: 443,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,155.47 : 818,553.31 = 321,222.53 : x
  2. Step 2: Convert to fraction form
    593,155.47/818,553.31 = 321,222.53/x
  3. Step 3: Cross multiply
    593,155.47x = 818,553.31 × 321,222.53
  4. Step 4: Simplify right side
    593,155.47x = 262,937,766,421.40
  5. Step 5: Solve for x
    x = 262,937,766,421.40/593,155.47
  6. Step 6: Final answer
    x = 443,286.42

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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.