Home / 396,638.19-593,628.89-325,558.35

Finding the Fourth Proportional to 396,638.19, 593,628.89 and 325,558.35

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Solution

The fourth proportional to 396,638.19, 593,628.89 and 325,558.35 is: 487,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,638.19 : 593,628.89 = 325,558.35 : x
  2. Step 2: Convert to fraction form
    396,638.19/593,628.89 = 325,558.35/x
  3. Step 3: Cross multiply
    396,638.19x = 593,628.89 × 325,558.35
  4. Step 4: Simplify right side
    396,638.19x = 193,260,840,312.94
  5. Step 5: Solve for x
    x = 193,260,840,312.94/396,638.19
  6. Step 6: Final answer
    x = 487,247.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.