Home / 539,028.20-806,987.10-329,076.20

Finding the Fourth Proportional to 539,028.20, 806,987.10 and 329,076.20

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Solution

The fourth proportional to 539,028.20, 806,987.10 and 329,076.20 is: 492,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,028.20 : 806,987.10 = 329,076.20 : x
  2. Step 2: Convert to fraction form
    539,028.20/806,987.10 = 329,076.20/x
  3. Step 3: Cross multiply
    539,028.20x = 806,987.10 × 329,076.20
  4. Step 4: Simplify right side
    539,028.20x = 265,560,248,317.02
  5. Step 5: Solve for x
    x = 265,560,248,317.02/539,028.20
  6. Step 6: Final answer
    x = 492,664.85

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1.5x scale

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.