Home / 593,558.20-819,101.88-321,619.72

Finding the Fourth Proportional to 593,558.20, 819,101.88 and 321,619.72

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Solution

The fourth proportional to 593,558.20, 819,101.88 and 321,619.72 is: 443,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,558.20 : 819,101.88 = 321,619.72 : x
  2. Step 2: Convert to fraction form
    593,558.20/819,101.88 = 321,619.72/x
  3. Step 3: Cross multiply
    593,558.20x = 819,101.88 × 321,619.72
  4. Step 4: Simplify right side
    593,558.20x = 263,439,317,297.07
  5. Step 5: Solve for x
    x = 263,439,317,297.07/593,558.20
  6. Step 6: Final answer
    x = 443,830.64

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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.