Home / 851,475.08-1,277,217.66-252,441.48

Finding the Fourth Proportional to 851,475.08, 1,277,217.66 and 252,441.48

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Solution

The fourth proportional to 851,475.08, 1,277,217.66 and 252,441.48 is: 378,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,475.08 : 1,277,217.66 = 252,441.48 : x
  2. Step 2: Convert to fraction form
    851,475.08/1,277,217.66 = 252,441.48/x
  3. Step 3: Cross multiply
    851,475.08x = 1,277,217.66 × 252,441.48
  4. Step 4: Simplify right side
    851,475.08x = 322,422,716,372.54
  5. Step 5: Solve for x
    x = 322,422,716,372.54/851,475.08
  6. Step 6: Final answer
    x = 378,663.71

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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.