Home / 349,777.20-482,678.28-206,583.60

Finding the Fourth Proportional to 349,777.20, 482,678.28 and 206,583.60

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Solution

The fourth proportional to 349,777.20, 482,678.28 and 206,583.60 is: 285,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,777.20 : 482,678.28 = 206,583.60 : x
  2. Step 2: Convert to fraction form
    349,777.20/482,678.28 = 206,583.60/x
  3. Step 3: Cross multiply
    349,777.20x = 482,678.28 × 206,583.60
  4. Step 4: Simplify right side
    349,777.20x = 99,713,416,724.21
  5. Step 5: Solve for x
    x = 99,713,416,724.21/349,777.20
  6. Step 6: Final answer
    x = 285,076.95

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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.