Home / 498,240.04-687,585.78-271,900.12

Finding the Fourth Proportional to 498,240.04, 687,585.78 and 271,900.12

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Solution

The fourth proportional to 498,240.04, 687,585.78 and 271,900.12 is: 375,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,240.04 : 687,585.78 = 271,900.12 : x
  2. Step 2: Convert to fraction form
    498,240.04/687,585.78 = 271,900.12/x
  3. Step 3: Cross multiply
    498,240.04x = 687,585.78 × 271,900.12
  4. Step 4: Simplify right side
    498,240.04x = 186,954,656,092.29
  5. Step 5: Solve for x
    x = 186,954,656,092.29/498,240.04
  6. Step 6: Final answer
    x = 375,230.09

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1.5x scale

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.