Home / 754,108.68-1,040,693.22-431,923.08

Finding the Fourth Proportional to 754,108.68, 1,040,693.22 and 431,923.08

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Solution

The fourth proportional to 754,108.68, 1,040,693.22 and 431,923.08 is: 596,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,108.68 : 1,040,693.22 = 431,923.08 : x
  2. Step 2: Convert to fraction form
    754,108.68/1,040,693.22 = 431,923.08/x
  3. Step 3: Cross multiply
    754,108.68x = 1,040,693.22 × 431,923.08
  4. Step 4: Simplify right side
    754,108.68x = 449,499,420,917.52
  5. Step 5: Solve for x
    x = 449,499,420,917.52/754,108.68
  6. Step 6: Final answer
    x = 596,067.16

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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.