Home / 498,282.26-687,629.33-271,927.76

Finding the Fourth Proportional to 498,282.26, 687,629.33 and 271,927.76

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Solution

The fourth proportional to 498,282.26, 687,629.33 and 271,927.76 is: 375,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,282.26 : 687,629.33 = 271,927.76 : x
  2. Step 2: Convert to fraction form
    498,282.26/687,629.33 = 271,927.76/x
  3. Step 3: Cross multiply
    498,282.26x = 687,629.33 × 271,927.76
  4. Step 4: Simplify right side
    498,282.26x = 186,985,498,619.42
  5. Step 5: Solve for x
    x = 186,985,498,619.42/498,282.26
  6. Step 6: Final answer
    x = 375,260.20

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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.