Home / 1,665,943.13-2,498,914.70-403,770.75

Finding the Fourth Proportional to 1,665,943.13, 2,498,914.70 and 403,770.75

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Solution

The fourth proportional to 1,665,943.13, 2,498,914.70 and 403,770.75 is: 605,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,943.13 : 2,498,914.70 = 403,770.75 : x
  2. Step 2: Convert to fraction form
    1,665,943.13/2,498,914.70 = 403,770.75/x
  3. Step 3: Cross multiply
    1,665,943.13x = 2,498,914.70 × 403,770.75
  4. Step 4: Simplify right side
    1,665,943.13x = 1,008,988,662,605.03
  5. Step 5: Solve for x
    x = 1,008,988,662,605.03/1,665,943.13
  6. Step 6: Final answer
    x = 605,656.13

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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.