Home / 2,786,586.05-4,179,841.72-764,827.57

Finding the Fourth Proportional to 2,786,586.05, 4,179,841.72 and 764,827.57

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Solution

The fourth proportional to 2,786,586.05, 4,179,841.72 and 764,827.57 is: 1,147,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,586.05 : 4,179,841.72 = 764,827.57 : x
  2. Step 2: Convert to fraction form
    2,786,586.05/4,179,841.72 = 764,827.57/x
  3. Step 3: Cross multiply
    2,786,586.05x = 4,179,841.72 × 764,827.57
  4. Step 4: Simplify right side
    2,786,586.05x = 3,196,858,181,868.08
  5. Step 5: Solve for x
    x = 3,196,858,181,868.08/2,786,586.05
  6. Step 6: Final answer
    x = 1,147,231.10

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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.