Home / 414,526.41-621,789.62-115,007.04

Finding the Fourth Proportional to 414,526.41, 621,789.62 and 115,007.04

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Solution

The fourth proportional to 414,526.41, 621,789.62 and 115,007.04 is: 172,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,526.41 : 621,789.62 = 115,007.04 : x
  2. Step 2: Convert to fraction form
    414,526.41/621,789.62 = 115,007.04/x
  3. Step 3: Cross multiply
    414,526.41x = 621,789.62 × 115,007.04
  4. Step 4: Simplify right side
    414,526.41x = 71,510,183,123.89
  5. Step 5: Solve for x
    x = 71,510,183,123.89/414,526.41
  6. Step 6: Final answer
    x = 172,510.56

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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.