Home / 1,296,610.08-1,787,180.31-866,733.36

Finding the Fourth Proportional to 1,296,610.08, 1,787,180.31 and 866,733.36

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Solution

The fourth proportional to 1,296,610.08, 1,787,180.31 and 866,733.36 is: 1,194,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,610.08 : 1,787,180.31 = 866,733.36 : x
  2. Step 2: Convert to fraction form
    1,296,610.08/1,787,180.31 = 866,733.36/x
  3. Step 3: Cross multiply
    1,296,610.08x = 1,787,180.31 × 866,733.36
  4. Step 4: Simplify right side
    1,296,610.08x = 1,549,008,795,012.14
  5. Step 5: Solve for x
    x = 1,549,008,795,012.14/1,296,610.08
  6. Step 6: Final answer
    x = 1,194,660.46

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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.