Home / 998,604.45-1,497,873.87-399,404.72

Finding the Fourth Proportional to 998,604.45, 1,497,873.87 and 399,404.72

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Solution

The fourth proportional to 998,604.45, 1,497,873.87 and 399,404.72 is: 599,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,604.45 : 1,497,873.87 = 399,404.72 : x
  2. Step 2: Convert to fraction form
    998,604.45/1,497,873.87 = 399,404.72/x
  3. Step 3: Cross multiply
    998,604.45x = 1,497,873.87 × 399,404.72
  4. Step 4: Simplify right side
    998,604.45x = 598,257,897,387.35
  5. Step 5: Solve for x
    x = 598,257,897,387.35/998,604.45
  6. Step 6: Final answer
    x = 599,093.96

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1.5x scale

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.