Home / 396,690.18-547,355.44-235,595.76

Finding the Fourth Proportional to 396,690.18, 547,355.44 and 235,595.76

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Solution

The fourth proportional to 396,690.18, 547,355.44 and 235,595.76 is: 325,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,690.18 : 547,355.44 = 235,595.76 : x
  2. Step 2: Convert to fraction form
    396,690.18/547,355.44 = 235,595.76/x
  3. Step 3: Cross multiply
    396,690.18x = 547,355.44 × 235,595.76
  4. Step 4: Simplify right side
    396,690.18x = 128,954,620,876.93
  5. Step 5: Solve for x
    x = 128,954,620,876.93/396,690.18
  6. Step 6: Final answer
    x = 325,076.41

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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.