Home / 1,352,781.27-1,866,771.63-740,936.70

Finding the Fourth Proportional to 1,352,781.27, 1,866,771.63 and 740,936.70

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Solution

The fourth proportional to 1,352,781.27, 1,866,771.63 and 740,936.70 is: 1,022,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,781.27 : 1,866,771.63 = 740,936.70 : x
  2. Step 2: Convert to fraction form
    1,352,781.27/1,866,771.63 = 740,936.70/x
  3. Step 3: Cross multiply
    1,352,781.27x = 1,866,771.63 × 740,936.70
  4. Step 4: Simplify right side
    1,352,781.27x = 1,383,159,611,185.82
  5. Step 5: Solve for x
    x = 1,383,159,611,185.82/1,352,781.27
  6. Step 6: Final answer
    x = 1,022,456.21

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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.