Home / 1,297,679.96-1,777,791.73-1,249,162.58

Finding the Fourth Proportional to 1,297,679.96, 1,777,791.73 and 1,249,162.58

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Solution

The fourth proportional to 1,297,679.96, 1,777,791.73 and 1,249,162.58 is: 1,711,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,679.96 : 1,777,791.73 = 1,249,162.58 : x
  2. Step 2: Convert to fraction form
    1,297,679.96/1,777,791.73 = 1,249,162.58/x
  3. Step 3: Cross multiply
    1,297,679.96x = 1,777,791.73 × 1,249,162.58
  4. Step 4: Simplify right side
    1,297,679.96x = 2,220,750,904,149.46
  5. Step 5: Solve for x
    x = 2,220,750,904,149.46/1,297,679.96
  6. Step 6: Final answer
    x = 1,711,324.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.