Home / 850,764.80-1,174,107.72-468,791.48

Finding the Fourth Proportional to 850,764.80, 1,174,107.72 and 468,791.48

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Solution

The fourth proportional to 850,764.80, 1,174,107.72 and 468,791.48 is: 646,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,764.80 : 1,174,107.72 = 468,791.48 : x
  2. Step 2: Convert to fraction form
    850,764.80/1,174,107.72 = 468,791.48/x
  3. Step 3: Cross multiply
    850,764.80x = 1,174,107.72 × 468,791.48
  4. Step 4: Simplify right side
    850,764.80x = 550,411,695,738.23
  5. Step 5: Solve for x
    x = 550,411,695,738.23/850,764.80
  6. Step 6: Final answer
    x = 646,961.06

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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.