Home / 498,049.62-687,307.04-271,693.50

Finding the Fourth Proportional to 498,049.62, 687,307.04 and 271,693.50

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Solution

The fourth proportional to 498,049.62, 687,307.04 and 271,693.50 is: 374,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,049.62 : 687,307.04 = 271,693.50 : x
  2. Step 2: Convert to fraction form
    498,049.62/687,307.04 = 271,693.50/x
  3. Step 3: Cross multiply
    498,049.62x = 687,307.04 × 271,693.50
  4. Step 4: Simplify right side
    498,049.62x = 186,736,855,272.24
  5. Step 5: Solve for x
    x = 186,736,855,272.24/498,049.62
  6. Step 6: Final answer
    x = 374,936.25

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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.