Home / 593,035.12-818,387.28-321,103.28

Finding the Fourth Proportional to 593,035.12, 818,387.28 and 321,103.28

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Solution

The fourth proportional to 593,035.12, 818,387.28 and 321,103.28 is: 443,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,035.12 : 818,387.28 = 321,103.28 : x
  2. Step 2: Convert to fraction form
    593,035.12/818,387.28 = 321,103.28/x
  3. Step 3: Cross multiply
    593,035.12x = 818,387.28 × 321,103.28
  4. Step 4: Simplify right side
    593,035.12x = 262,786,839,918.28
  5. Step 5: Solve for x
    x = 262,786,839,918.28/593,035.12
  6. Step 6: Final answer
    x = 443,121.88

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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.