Home / 1,259,891.70-1,889,837.55-461,199.30

Finding the Fourth Proportional to 1,259,891.70, 1,889,837.55 and 461,199.30

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Solution

The fourth proportional to 1,259,891.70, 1,889,837.55 and 461,199.30 is: 691,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,891.70 : 1,889,837.55 = 461,199.30 : x
  2. Step 2: Convert to fraction form
    1,259,891.70/1,889,837.55 = 461,199.30/x
  3. Step 3: Cross multiply
    1,259,891.70x = 1,889,837.55 × 461,199.30
  4. Step 4: Simplify right side
    1,259,891.70x = 871,591,755,173.72
  5. Step 5: Solve for x
    x = 871,591,755,173.72/1,259,891.70
  6. Step 6: Final answer
    x = 691,798.95

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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.