Home / 521,080.77-781,086.02-295,960.56

Finding the Fourth Proportional to 521,080.77, 781,086.02 and 295,960.56

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Solution

The fourth proportional to 521,080.77, 781,086.02 and 295,960.56 is: 443,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,080.77 : 781,086.02 = 295,960.56 : x
  2. Step 2: Convert to fraction form
    521,080.77/781,086.02 = 295,960.56/x
  3. Step 3: Cross multiply
    521,080.77x = 781,086.02 × 295,960.56
  4. Step 4: Simplify right side
    521,080.77x = 231,170,656,588.66
  5. Step 5: Solve for x
    x = 231,170,656,588.66/521,080.77
  6. Step 6: Final answer
    x = 443,636.90

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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.