Home / 636,621.50-954,994.62-231,923.72

Finding the Fourth Proportional to 636,621.50, 954,994.62 and 231,923.72

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Solution

The fourth proportional to 636,621.50, 954,994.62 and 231,923.72 is: 347,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,621.50 : 954,994.62 = 231,923.72 : x
  2. Step 2: Convert to fraction form
    636,621.50/954,994.62 = 231,923.72/x
  3. Step 3: Cross multiply
    636,621.50x = 954,994.62 × 231,923.72
  4. Step 4: Simplify right side
    636,621.50x = 221,485,904,850.39
  5. Step 5: Solve for x
    x = 221,485,904,850.39/636,621.50
  6. Step 6: Final answer
    x = 347,908.30

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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.