Home / 593,116.89-818,501.18-321,184.78

Finding the Fourth Proportional to 593,116.89, 818,501.18 and 321,184.78

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Solution

The fourth proportional to 593,116.89, 818,501.18 and 321,184.78 is: 443,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,116.89 : 818,501.18 = 321,184.78 : x
  2. Step 2: Convert to fraction form
    593,116.89/818,501.18 = 321,184.78/x
  3. Step 3: Cross multiply
    593,116.89x = 818,501.18 × 321,184.78
  4. Step 4: Simplify right side
    593,116.89x = 262,890,117,775.86
  5. Step 5: Solve for x
    x = 262,890,117,775.86/593,116.89
  6. Step 6: Final answer
    x = 443,234.92

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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.