Home / 417,516.40-626,233.06-192,873.62

Finding the Fourth Proportional to 417,516.40, 626,233.06 and 192,873.62

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Solution

The fourth proportional to 417,516.40, 626,233.06 and 192,873.62 is: 289,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,516.40 : 626,233.06 = 192,873.62 : x
  2. Step 2: Convert to fraction form
    417,516.40/626,233.06 = 192,873.62/x
  3. Step 3: Cross multiply
    417,516.40x = 626,233.06 × 192,873.62
  4. Step 4: Simplify right side
    417,516.40x = 120,783,839,052.55
  5. Step 5: Solve for x
    x = 120,783,839,052.55/417,516.40
  6. Step 6: Final answer
    x = 289,291.24

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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.