Home / 593,454.56-818,966.16-321,529.21

Finding the Fourth Proportional to 593,454.56, 818,966.16 and 321,529.21

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Solution

The fourth proportional to 593,454.56, 818,966.16 and 321,529.21 is: 443,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,454.56 : 818,966.16 = 321,529.21 : x
  2. Step 2: Convert to fraction form
    593,454.56/818,966.16 = 321,529.21/x
  3. Step 3: Cross multiply
    593,454.56x = 818,966.16 × 321,529.21
  4. Step 4: Simplify right side
    593,454.56x = 263,321,540,394.12
  5. Step 5: Solve for x
    x = 263,321,540,394.12/593,454.56
  6. Step 6: Final answer
    x = 443,709.70

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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.