Home / 754,113.33-1,040,683.16-409,949.92

Finding the Fourth Proportional to 754,113.33, 1,040,683.16 and 409,949.92

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Solution

The fourth proportional to 754,113.33, 1,040,683.16 and 409,949.92 is: 565,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,113.33 : 1,040,683.16 = 409,949.92 : x
  2. Step 2: Convert to fraction form
    754,113.33/1,040,683.16 = 409,949.92/x
  3. Step 3: Cross multiply
    754,113.33x = 1,040,683.16 × 409,949.92
  4. Step 4: Simplify right side
    754,113.33x = 426,627,976,610.51
  5. Step 5: Solve for x
    x = 426,627,976,610.51/754,113.33
  6. Step 6: Final answer
    x = 565,734.56

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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.