Home / 1,270,914.30-1,753,855.38-690,132.26

Finding the Fourth Proportional to 1,270,914.30, 1,753,855.38 and 690,132.26

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Solution

The fourth proportional to 1,270,914.30, 1,753,855.38 and 690,132.26 is: 952,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,914.30 : 1,753,855.38 = 690,132.26 : x
  2. Step 2: Convert to fraction form
    1,270,914.30/1,753,855.38 = 690,132.26/x
  3. Step 3: Cross multiply
    1,270,914.30x = 1,753,855.38 × 690,132.26
  4. Step 4: Simplify right side
    1,270,914.30x = 1,210,392,164,892.62
  5. Step 5: Solve for x
    x = 1,210,392,164,892.62/1,270,914.30
  6. Step 6: Final answer
    x = 952,379.06

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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.