Home / 622,745.43-930,706.04-454,619.79

Finding the Fourth Proportional to 622,745.43, 930,706.04 and 454,619.79

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Solution

The fourth proportional to 622,745.43, 930,706.04 and 454,619.79 is: 679,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,745.43 : 930,706.04 = 454,619.79 : x
  2. Step 2: Convert to fraction form
    622,745.43/930,706.04 = 454,619.79/x
  3. Step 3: Cross multiply
    622,745.43x = 930,706.04 × 454,619.79
  4. Step 4: Simplify right side
    622,745.43x = 423,117,382,183.43
  5. Step 5: Solve for x
    x = 423,117,382,183.43/622,745.43
  6. Step 6: Final answer
    x = 679,438.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.