Home / 1,765,626.80-2,436,396.57-991,080.23

Finding the Fourth Proportional to 1,765,626.80, 2,436,396.57 and 991,080.23

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Solution

The fourth proportional to 1,765,626.80, 2,436,396.57 and 991,080.23 is: 1,367,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,626.80 : 2,436,396.57 = 991,080.23 : x
  2. Step 2: Convert to fraction form
    1,765,626.80/2,436,396.57 = 991,080.23/x
  3. Step 3: Cross multiply
    1,765,626.80x = 2,436,396.57 × 991,080.23
  4. Step 4: Simplify right side
    1,765,626.80x = 2,414,664,460,784.83
  5. Step 5: Solve for x
    x = 2,414,664,460,784.83/1,765,626.80
  6. Step 6: Final answer
    x = 1,367,596.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.