Home / 1,179,939.96-1,769,719.32-381,225.42

Finding the Fourth Proportional to 1,179,939.96, 1,769,719.32 and 381,225.42

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Solution

The fourth proportional to 1,179,939.96, 1,769,719.32 and 381,225.42 is: 571,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,939.96 : 1,769,719.32 = 381,225.42 : x
  2. Step 2: Convert to fraction form
    1,179,939.96/1,769,719.32 = 381,225.42/x
  3. Step 3: Cross multiply
    1,179,939.96x = 1,769,719.32 × 381,225.42
  4. Step 4: Simplify right side
    1,179,939.96x = 674,661,991,049.11
  5. Step 5: Solve for x
    x = 674,661,991,049.11/1,179,939.96
  6. Step 6: Final answer
    x = 571,776.54

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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.