Home / 593,021.12-818,369.51-321,089.20

Finding the Fourth Proportional to 593,021.12, 818,369.51 and 321,089.20

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Solution

The fourth proportional to 593,021.12, 818,369.51 and 321,089.20 is: 443,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,021.12 : 818,369.51 = 321,089.20 : x
  2. Step 2: Convert to fraction form
    593,021.12/818,369.51 = 321,089.20/x
  3. Step 3: Cross multiply
    593,021.12x = 818,369.51 × 321,089.20
  4. Step 4: Simplify right side
    593,021.12x = 262,769,607,618.92
  5. Step 5: Solve for x
    x = 262,769,607,618.92/593,021.12
  6. Step 6: Final answer
    x = 443,103.29

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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.