Home / 603,725.85-905,619.79-154,450.61

Finding the Fourth Proportional to 603,725.85, 905,619.79 and 154,450.61

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Solution

The fourth proportional to 603,725.85, 905,619.79 and 154,450.61 is: 231,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,725.85 : 905,619.79 = 154,450.61 : x
  2. Step 2: Convert to fraction form
    603,725.85/905,619.79 = 154,450.61/x
  3. Step 3: Cross multiply
    603,725.85x = 905,619.79 × 154,450.61
  4. Step 4: Simplify right side
    603,725.85x = 139,873,528,993.57
  5. Step 5: Solve for x
    x = 139,873,528,993.57/603,725.85
  6. Step 6: Final answer
    x = 231,683.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.