Home / 498,277.25-687,622.42-271,922.75

Finding the Fourth Proportional to 498,277.25, 687,622.42 and 271,922.75

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Solution

The fourth proportional to 498,277.25, 687,622.42 and 271,922.75 is: 375,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,277.25 : 687,622.42 = 271,922.75 : x
  2. Step 2: Convert to fraction form
    498,277.25/687,622.42 = 271,922.75/x
  3. Step 3: Cross multiply
    498,277.25x = 687,622.42 × 271,922.75
  4. Step 4: Simplify right side
    498,277.25x = 186,980,181,806.92
  5. Step 5: Solve for x
    x = 186,980,181,806.92/498,277.25
  6. Step 6: Final answer
    x = 375,253.30

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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.