Home / 566,051.23-781,171.09-324,380.51

Finding the Fourth Proportional to 566,051.23, 781,171.09 and 324,380.51

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Solution

The fourth proportional to 566,051.23, 781,171.09 and 324,380.51 is: 447,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,051.23 : 781,171.09 = 324,380.51 : x
  2. Step 2: Convert to fraction form
    566,051.23/781,171.09 = 324,380.51/x
  3. Step 3: Cross multiply
    566,051.23x = 781,171.09 × 324,380.51
  4. Step 4: Simplify right side
    566,051.23x = 253,396,672,665.60
  5. Step 5: Solve for x
    x = 253,396,672,665.60/566,051.23
  6. Step 6: Final answer
    x = 447,656.78

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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.