Home / 776,181.99-1,164,191.10-207,620.47

Finding the Fourth Proportional to 776,181.99, 1,164,191.10 and 207,620.47

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Solution

The fourth proportional to 776,181.99, 1,164,191.10 and 207,620.47 is: 311,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,181.99 : 1,164,191.10 = 207,620.47 : x
  2. Step 2: Convert to fraction form
    776,181.99/1,164,191.10 = 207,620.47/x
  3. Step 3: Cross multiply
    776,181.99x = 1,164,191.10 × 207,620.47
  4. Step 4: Simplify right side
    776,181.99x = 241,709,900,416.56
  5. Step 5: Solve for x
    x = 241,709,900,416.56/776,181.99
  6. Step 6: Final answer
    x = 311,408.80

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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.