Home / 1,296,580.88-1,789,515.83-773,325.05

Finding the Fourth Proportional to 1,296,580.88, 1,789,515.83 and 773,325.05

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Solution

The fourth proportional to 1,296,580.88, 1,789,515.83 and 773,325.05 is: 1,067,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,580.88 : 1,789,515.83 = 773,325.05 : x
  2. Step 2: Convert to fraction form
    1,296,580.88/1,789,515.83 = 773,325.05/x
  3. Step 3: Cross multiply
    1,296,580.88x = 1,789,515.83 × 773,325.05
  4. Step 4: Simplify right side
    1,296,580.88x = 1,383,877,416,185.49
  5. Step 5: Solve for x
    x = 1,383,877,416,185.49/1,296,580.88
  6. Step 6: Final answer
    x = 1,067,328.26

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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.