Home / 1,166,840.80-1,747,636.80-694,448.80

Finding the Fourth Proportional to 1,166,840.80, 1,747,636.80 and 694,448.80

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Solution

The fourth proportional to 1,166,840.80, 1,747,636.80 and 694,448.80 is: 1,040,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,840.80 : 1,747,636.80 = 694,448.80 : x
  2. Step 2: Convert to fraction form
    1,166,840.80/1,747,636.80 = 694,448.80/x
  3. Step 3: Cross multiply
    1,166,840.80x = 1,747,636.80 × 694,448.80
  4. Step 4: Simplify right side
    1,166,840.80x = 1,213,644,278,595.84
  5. Step 5: Solve for x
    x = 1,213,644,278,595.84/1,166,840.80
  6. Step 6: Final answer
    x = 1,040,111.28

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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.