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Finding the Fourth Proportional to 1,168,906.80, 1,753,360.20 and 1,133,914.80

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Solution

The fourth proportional to 1,168,906.80, 1,753,360.20 and 1,133,914.80 is: 1,700,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,906.80 : 1,753,360.20 = 1,133,914.80 : x
  2. Step 2: Convert to fraction form
    1,168,906.80/1,753,360.20 = 1,133,914.80/x
  3. Step 3: Cross multiply
    1,168,906.80x = 1,753,360.20 × 1,133,914.80
  4. Step 4: Simplify right side
    1,168,906.80x = 1,988,161,080,510.96
  5. Step 5: Solve for x
    x = 1,988,161,080,510.96/1,168,906.80
  6. Step 6: Final answer
    x = 1,700,872.20

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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.