Home / 754,018.74-1,040,519.52-414,484.56

Finding the Fourth Proportional to 754,018.74, 1,040,519.52 and 414,484.56

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Solution

The fourth proportional to 754,018.74, 1,040,519.52 and 414,484.56 is: 571,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,018.74 : 1,040,519.52 = 414,484.56 : x
  2. Step 2: Convert to fraction form
    754,018.74/1,040,519.52 = 414,484.56/x
  3. Step 3: Cross multiply
    754,018.74x = 1,040,519.52 × 414,484.56
  4. Step 4: Simplify right side
    754,018.74x = 431,279,275,418.61
  5. Step 5: Solve for x
    x = 431,279,275,418.61/754,018.74
  6. Step 6: Final answer
    x = 571,974.21

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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.