Home / 647,983.62-972,409.32-268,904.70

Finding the Fourth Proportional to 647,983.62, 972,409.32 and 268,904.70

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Solution

The fourth proportional to 647,983.62, 972,409.32 and 268,904.70 is: 403,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,983.62 : 972,409.32 = 268,904.70 : x
  2. Step 2: Convert to fraction form
    647,983.62/972,409.32 = 268,904.70/x
  3. Step 3: Cross multiply
    647,983.62x = 972,409.32 × 268,904.70
  4. Step 4: Simplify right side
    647,983.62x = 261,485,436,471.80
  5. Step 5: Solve for x
    x = 261,485,436,471.80/647,983.62
  6. Step 6: Final answer
    x = 403,537.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.