Home / 360,845.44-497,991.60-199,707.20

Finding the Fourth Proportional to 360,845.44, 497,991.60 and 199,707.20

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Solution

The fourth proportional to 360,845.44, 497,991.60 and 199,707.20 is: 275,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,845.44 : 497,991.60 = 199,707.20 : x
  2. Step 2: Convert to fraction form
    360,845.44/497,991.60 = 199,707.20/x
  3. Step 3: Cross multiply
    360,845.44x = 497,991.60 × 199,707.20
  4. Step 4: Simplify right side
    360,845.44x = 99,452,508,059.52
  5. Step 5: Solve for x
    x = 99,452,508,059.52/360,845.44
  6. Step 6: Final answer
    x = 275,609.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.