Home / 593,147.79-818,539.77-321,209.43

Finding the Fourth Proportional to 593,147.79, 818,539.77 and 321,209.43

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Solution

The fourth proportional to 593,147.79, 818,539.77 and 321,209.43 is: 443,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,147.79 : 818,539.77 = 321,209.43 : x
  2. Step 2: Convert to fraction form
    593,147.79/818,539.77 = 321,209.43/x
  3. Step 3: Cross multiply
    593,147.79x = 818,539.77 × 321,209.43
  4. Step 4: Simplify right side
    593,147.79x = 262,922,692,954.03
  5. Step 5: Solve for x
    x = 262,922,692,954.03/593,147.79
  6. Step 6: Final answer
    x = 443,266.75

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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.