Home / 327,577.23-491,447.43-260,362.85

Finding the Fourth Proportional to 327,577.23, 491,447.43 and 260,362.85

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Solution

The fourth proportional to 327,577.23, 491,447.43 and 260,362.85 is: 390,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,577.23 : 491,447.43 = 260,362.85 : x
  2. Step 2: Convert to fraction form
    327,577.23/491,447.43 = 260,362.85/x
  3. Step 3: Cross multiply
    327,577.23x = 491,447.43 × 260,362.85
  4. Step 4: Simplify right side
    327,577.23x = 127,954,651,042.74
  5. Step 5: Solve for x
    x = 127,954,651,042.74/327,577.23
  6. Step 6: Final answer
    x = 390,609.11

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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.