Home / 1,061,577.53-1,590,791.64-779,716.97

Finding the Fourth Proportional to 1,061,577.53, 1,590,791.64 and 779,716.97

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Solution

The fourth proportional to 1,061,577.53, 1,590,791.64 and 779,716.97 is: 1,168,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,577.53 : 1,590,791.64 = 779,716.97 : x
  2. Step 2: Convert to fraction form
    1,061,577.53/1,590,791.64 = 779,716.97/x
  3. Step 3: Cross multiply
    1,061,577.53x = 1,590,791.64 × 779,716.97
  4. Step 4: Simplify right side
    1,061,577.53x = 1,240,367,237,442.13
  5. Step 5: Solve for x
    x = 1,240,367,237,442.13/1,061,577.53
  6. Step 6: Final answer
    x = 1,168,418.89

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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.