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Finding the Fourth Proportional to 1,175,584.80, 1,759,690.80 and 843,808.80

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Solution

The fourth proportional to 1,175,584.80, 1,759,690.80 and 843,808.80 is: 1,263,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,584.80 : 1,759,690.80 = 843,808.80 : x
  2. Step 2: Convert to fraction form
    1,175,584.80/1,759,690.80 = 843,808.80/x
  3. Step 3: Cross multiply
    1,175,584.80x = 1,759,690.80 × 843,808.80
  4. Step 4: Simplify right side
    1,175,584.80x = 1,484,842,582,319.04
  5. Step 5: Solve for x
    x = 1,484,842,582,319.04/1,175,584.80
  6. Step 6: Final answer
    x = 1,263,067.18

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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.