Home / 304,621.92-456,919.11-79,977.06

Finding the Fourth Proportional to 304,621.92, 456,919.11 and 79,977.06

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Solution

The fourth proportional to 304,621.92, 456,919.11 and 79,977.06 is: 119,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,621.92 : 456,919.11 = 79,977.06 : x
  2. Step 2: Convert to fraction form
    304,621.92/456,919.11 = 79,977.06/x
  3. Step 3: Cross multiply
    304,621.92x = 456,919.11 × 79,977.06
  4. Step 4: Simplify right side
    304,621.92x = 36,543,047,075.62
  5. Step 5: Solve for x
    x = 36,543,047,075.62/304,621.92
  6. Step 6: Final answer
    x = 119,961.97

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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.