Home / 441,288.54-661,957.41-125,720.85

Finding the Fourth Proportional to 441,288.54, 661,957.41 and 125,720.85

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Solution

The fourth proportional to 441,288.54, 661,957.41 and 125,720.85 is: 188,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,288.54 : 661,957.41 = 125,720.85 : x
  2. Step 2: Convert to fraction form
    441,288.54/661,957.41 = 125,720.85/x
  3. Step 3: Cross multiply
    441,288.54x = 661,957.41 × 125,720.85
  4. Step 4: Simplify right side
    441,288.54x = 83,221,848,249.00
  5. Step 5: Solve for x
    x = 83,221,848,249.00/441,288.54
  6. Step 6: Final answer
    x = 188,588.28

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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.