Home / 1,687,114.44-2,328,215.40-923,167.80

Finding the Fourth Proportional to 1,687,114.44, 2,328,215.40 and 923,167.80

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Solution

The fourth proportional to 1,687,114.44, 2,328,215.40 and 923,167.80 is: 1,273,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,114.44 : 2,328,215.40 = 923,167.80 : x
  2. Step 2: Convert to fraction form
    1,687,114.44/2,328,215.40 = 923,167.80/x
  3. Step 3: Cross multiply
    1,687,114.44x = 2,328,215.40 × 923,167.80
  4. Step 4: Simplify right side
    1,687,114.44x = 2,149,333,488,744.12
  5. Step 5: Solve for x
    x = 2,149,333,488,744.12/1,687,114.44
  6. Step 6: Final answer
    x = 1,273,970.18

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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.