Home / 1,681,544.70-2,320,580.82-917,647.44

Finding the Fourth Proportional to 1,681,544.70, 2,320,580.82 and 917,647.44

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Solution

The fourth proportional to 1,681,544.70, 2,320,580.82 and 917,647.44 is: 1,266,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,544.70 : 2,320,580.82 = 917,647.44 : x
  2. Step 2: Convert to fraction form
    1,681,544.70/2,320,580.82 = 917,647.44/x
  3. Step 3: Cross multiply
    1,681,544.70x = 2,320,580.82 × 917,647.44
  4. Step 4: Simplify right side
    1,681,544.70x = 2,129,475,048,786.10
  5. Step 5: Solve for x
    x = 2,129,475,048,786.10/1,681,544.70
  6. Step 6: Final answer
    x = 1,266,380.28

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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.