Home / 416,638.89-574,964.73-225,653.85

Finding the Fourth Proportional to 416,638.89, 574,964.73 and 225,653.85

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Solution

The fourth proportional to 416,638.89, 574,964.73 and 225,653.85 is: 311,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,638.89 : 574,964.73 = 225,653.85 : x
  2. Step 2: Convert to fraction form
    416,638.89/574,964.73 = 225,653.85/x
  3. Step 3: Cross multiply
    416,638.89x = 574,964.73 × 225,653.85
  4. Step 4: Simplify right side
    416,638.89x = 129,743,004,938.71
  5. Step 5: Solve for x
    x = 129,743,004,938.71/416,638.89
  6. Step 6: Final answer
    x = 311,403.97

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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.