Home / 1,175,619.58-1,763,928.66-642,517.78

Finding the Fourth Proportional to 1,175,619.58, 1,763,928.66 and 642,517.78

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Solution

The fourth proportional to 1,175,619.58, 1,763,928.66 and 642,517.78 is: 964,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,619.58 : 1,763,928.66 = 642,517.78 : x
  2. Step 2: Convert to fraction form
    1,175,619.58/1,763,928.66 = 642,517.78/x
  3. Step 3: Cross multiply
    1,175,619.58x = 1,763,928.66 × 642,517.78
  4. Step 4: Simplify right side
    1,175,619.58x = 1,133,355,526,701.57
  5. Step 5: Solve for x
    x = 1,133,355,526,701.57/1,175,619.58
  6. Step 6: Final answer
    x = 964,049.55

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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.