Home / 1,168,858.80-1,753,288.20-1,081,378.80

Finding the Fourth Proportional to 1,168,858.80, 1,753,288.20 and 1,081,378.80

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Solution

The fourth proportional to 1,168,858.80, 1,753,288.20 and 1,081,378.80 is: 1,622,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,858.80 : 1,753,288.20 = 1,081,378.80 : x
  2. Step 2: Convert to fraction form
    1,168,858.80/1,753,288.20 = 1,081,378.80/x
  3. Step 3: Cross multiply
    1,168,858.80x = 1,753,288.20 × 1,081,378.80
  4. Step 4: Simplify right side
    1,168,858.80x = 1,895,968,689,770.16
  5. Step 5: Solve for x
    x = 1,895,968,689,770.16/1,168,858.80
  6. Step 6: Final answer
    x = 1,622,068.20

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Similar ratio
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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.