Home / 1,131,441.66-1,561,372.22-615,191.42

Finding the Fourth Proportional to 1,131,441.66, 1,561,372.22 and 615,191.42

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Solution

The fourth proportional to 1,131,441.66, 1,561,372.22 and 615,191.42 is: 848,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,441.66 : 1,561,372.22 = 615,191.42 : x
  2. Step 2: Convert to fraction form
    1,131,441.66/1,561,372.22 = 615,191.42/x
  3. Step 3: Cross multiply
    1,131,441.66x = 1,561,372.22 × 615,191.42
  4. Step 4: Simplify right side
    1,131,441.66x = 960,542,793,170.35
  5. Step 5: Solve for x
    x = 960,542,793,170.35/1,131,441.66
  6. Step 6: Final answer
    x = 848,954.77

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Double scale
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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.