Home / 781,417.14-1,171,892.42-332,136.06

Finding the Fourth Proportional to 781,417.14, 1,171,892.42 and 332,136.06

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Solution

The fourth proportional to 781,417.14, 1,171,892.42 and 332,136.06 is: 498,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,417.14 : 1,171,892.42 = 332,136.06 : x
  2. Step 2: Convert to fraction form
    781,417.14/1,171,892.42 = 332,136.06/x
  3. Step 3: Cross multiply
    781,417.14x = 1,171,892.42 × 332,136.06
  4. Step 4: Simplify right side
    781,417.14x = 389,227,726,093.54
  5. Step 5: Solve for x
    x = 389,227,726,093.54/781,417.14
  6. Step 6: Final answer
    x = 498,104.93

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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.