Home / 1,175,015.80-1,766,282.10-1,091,812.60

Finding the Fourth Proportional to 1,175,015.80, 1,766,282.10 and 1,091,812.60

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Solution

The fourth proportional to 1,175,015.80, 1,766,282.10 and 1,091,812.60 is: 1,641,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,015.80 : 1,766,282.10 = 1,091,812.60 : x
  2. Step 2: Convert to fraction form
    1,175,015.80/1,766,282.10 = 1,091,812.60/x
  3. Step 3: Cross multiply
    1,175,015.80x = 1,766,282.10 × 1,091,812.60
  4. Step 4: Simplify right side
    1,175,015.80x = 1,928,449,051,934.46
  5. Step 5: Solve for x
    x = 1,928,449,051,934.46/1,175,015.80
  6. Step 6: Final answer
    x = 1,641,211.17

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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.