Home / 774,505-1,161,482.58-227,244.68

Finding the Fourth Proportional to 774,505, 1,161,482.58 and 227,244.68

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Solution

The fourth proportional to 774,505, 1,161,482.58 and 227,244.68 is: 340,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,505 : 1,161,482.58 = 227,244.68 : x
  2. Step 2: Convert to fraction form
    774,505/1,161,482.58 = 227,244.68/x
  3. Step 3: Cross multiply
    774,505x = 1,161,482.58 × 227,244.68
  4. Step 4: Simplify right side
    774,505x = 263,940,737,217.67
  5. Step 5: Solve for x
    x = 263,940,737,217.67/774,505
  6. Step 6: Final answer
    x = 340,786.36

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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.