Home / 593,439.12-818,946.17-321,508.89

Finding the Fourth Proportional to 593,439.12, 818,946.17 and 321,508.89

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Solution

The fourth proportional to 593,439.12, 818,946.17 and 321,508.89 is: 443,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,439.12 : 818,946.17 = 321,508.89 : x
  2. Step 2: Convert to fraction form
    593,439.12/818,946.17 = 321,508.89/x
  3. Step 3: Cross multiply
    593,439.12x = 818,946.17 × 321,508.89
  4. Step 4: Simplify right side
    593,439.12x = 263,298,474,086.45
  5. Step 5: Solve for x
    x = 263,298,474,086.45/593,439.12
  6. Step 6: Final answer
    x = 443,682.37

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1.5x scale

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.