Home / 593,454.70-818,966.38-321,529.36

Finding the Fourth Proportional to 593,454.70, 818,966.38 and 321,529.36

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Solution

The fourth proportional to 593,454.70, 818,966.38 and 321,529.36 is: 443,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,454.70 : 818,966.38 = 321,529.36 : x
  2. Step 2: Convert to fraction form
    593,454.70/818,966.38 = 321,529.36/x
  3. Step 3: Cross multiply
    593,454.70x = 818,966.38 × 321,529.36
  4. Step 4: Simplify right side
    593,454.70x = 263,321,736,022.92
  5. Step 5: Solve for x
    x = 263,321,736,022.92/593,454.70
  6. Step 6: Final answer
    x = 443,709.92

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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.