Home / 754,113.96-1,040,684.03-409,950.54

Finding the Fourth Proportional to 754,113.96, 1,040,684.03 and 409,950.54

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Solution

The fourth proportional to 754,113.96, 1,040,684.03 and 409,950.54 is: 565,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,113.96 : 1,040,684.03 = 409,950.54 : x
  2. Step 2: Convert to fraction form
    754,113.96/1,040,684.03 = 409,950.54/x
  3. Step 3: Cross multiply
    754,113.96x = 1,040,684.03 × 409,950.54
  4. Step 4: Simplify right side
    754,113.96x = 426,628,980,067.88
  5. Step 5: Solve for x
    x = 426,628,980,067.88/754,113.96
  6. Step 6: Final answer
    x = 565,735.42

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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.