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Finding the Fourth Proportional to 3,839,774, 5,759,991.74 and 999,891.32

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Solution

The fourth proportional to 3,839,774, 5,759,991.74 and 999,891.32 is: 1,499,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,774 : 5,759,991.74 = 999,891.32 : x
  2. Step 2: Convert to fraction form
    3,839,774/5,759,991.74 = 999,891.32/x
  3. Step 3: Cross multiply
    3,839,774x = 5,759,991.74 × 999,891.32
  4. Step 4: Simplify right side
    3,839,774x = 5,759,365,744,097.70
  5. Step 5: Solve for x
    x = 5,759,365,744,097.70/3,839,774
  6. Step 6: Final answer
    x = 1,499,923.11

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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.