Home / 754,163.67-1,040,719.28-414,629.31

Finding the Fourth Proportional to 754,163.67, 1,040,719.28 and 414,629.31

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Solution

The fourth proportional to 754,163.67, 1,040,719.28 and 414,629.31 is: 572,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,163.67 : 1,040,719.28 = 414,629.31 : x
  2. Step 2: Convert to fraction form
    754,163.67/1,040,719.28 = 414,629.31/x
  3. Step 3: Cross multiply
    754,163.67x = 1,040,719.28 × 414,629.31
  4. Step 4: Simplify right side
    754,163.67x = 431,512,714,896.95
  5. Step 5: Solve for x
    x = 431,512,714,896.95/754,163.67
  6. Step 6: Final answer
    x = 572,173.83

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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.