Home / 593,352.12-818,829.87-321,420.04

Finding the Fourth Proportional to 593,352.12, 818,829.87 and 321,420.04

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Solution

The fourth proportional to 593,352.12, 818,829.87 and 321,420.04 is: 443,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,352.12 : 818,829.87 = 321,420.04 : x
  2. Step 2: Convert to fraction form
    593,352.12/818,829.87 = 321,420.04/x
  3. Step 3: Cross multiply
    593,352.12x = 818,829.87 × 321,420.04
  4. Step 4: Simplify right side
    593,352.12x = 263,188,326,316.20
  5. Step 5: Solve for x
    x = 263,188,326,316.20/593,352.12
  6. Step 6: Final answer
    x = 443,561.78

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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.