Home / 396,554.20-545,140.52-341,161.15

Finding the Fourth Proportional to 396,554.20, 545,140.52 and 341,161.15

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Solution

The fourth proportional to 396,554.20, 545,140.52 and 341,161.15 is: 468,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,554.20 : 545,140.52 = 341,161.15 : x
  2. Step 2: Convert to fraction form
    396,554.20/545,140.52 = 341,161.15/x
  3. Step 3: Cross multiply
    396,554.20x = 545,140.52 × 341,161.15
  4. Step 4: Simplify right side
    396,554.20x = 185,980,766,714.80
  5. Step 5: Solve for x
    x = 185,980,766,714.80/396,554.20
  6. Step 6: Final answer
    x = 468,992.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.