Home / 482,949.60-666,477.84-268,103.52

Finding the Fourth Proportional to 482,949.60, 666,477.84 and 268,103.52

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Solution

The fourth proportional to 482,949.60, 666,477.84 and 268,103.52 is: 369,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,949.60 : 666,477.84 = 268,103.52 : x
  2. Step 2: Convert to fraction form
    482,949.60/666,477.84 = 268,103.52/x
  3. Step 3: Cross multiply
    482,949.60x = 666,477.84 × 268,103.52
  4. Step 4: Simplify right side
    482,949.60x = 178,685,054,906.00
  5. Step 5: Solve for x
    x = 178,685,054,906.00/482,949.60
  6. Step 6: Final answer
    x = 369,986.96

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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.