Home / 1,691,213.64-2,536,550.40-492,855.66

Finding the Fourth Proportional to 1,691,213.64, 2,536,550.40 and 492,855.66

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Solution

The fourth proportional to 1,691,213.64, 2,536,550.40 and 492,855.66 is: 739,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,213.64 : 2,536,550.40 = 492,855.66 : x
  2. Step 2: Convert to fraction form
    1,691,213.64/2,536,550.40 = 492,855.66/x
  3. Step 3: Cross multiply
    1,691,213.64x = 2,536,550.40 × 492,855.66
  4. Step 4: Simplify right side
    1,691,213.64x = 1,250,153,221,515.26
  5. Step 5: Solve for x
    x = 1,250,153,221,515.26/1,691,213.64
  6. Step 6: Final answer
    x = 739,204.79

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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.