Home / 441,320.52-661,982.16-121,476.60

Finding the Fourth Proportional to 441,320.52, 661,982.16 and 121,476.60

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Solution

The fourth proportional to 441,320.52, 661,982.16 and 121,476.60 is: 182,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,320.52 : 661,982.16 = 121,476.60 : x
  2. Step 2: Convert to fraction form
    441,320.52/661,982.16 = 121,476.60/x
  3. Step 3: Cross multiply
    441,320.52x = 661,982.16 × 121,476.60
  4. Step 4: Simplify right side
    441,320.52x = 80,415,342,057.46
  5. Step 5: Solve for x
    x = 80,415,342,057.46/441,320.52
  6. Step 6: Final answer
    x = 182,215.28

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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.