Home / 728,215.56-1,092,321.72-195,736.56

Finding the Fourth Proportional to 728,215.56, 1,092,321.72 and 195,736.56

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Solution

The fourth proportional to 728,215.56, 1,092,321.72 and 195,736.56 is: 293,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,215.56 : 1,092,321.72 = 195,736.56 : x
  2. Step 2: Convert to fraction form
    728,215.56/1,092,321.72 = 195,736.56/x
  3. Step 3: Cross multiply
    728,215.56x = 1,092,321.72 × 195,736.56
  4. Step 4: Simplify right side
    728,215.56x = 213,807,295,886.08
  5. Step 5: Solve for x
    x = 213,807,295,886.08/728,215.56
  6. Step 6: Final answer
    x = 293,604.40

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1.5x scale

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.