Home / 1,556,046.53-2,147,353.57-867,761.89

Finding the Fourth Proportional to 1,556,046.53, 2,147,353.57 and 867,761.89

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Solution

The fourth proportional to 1,556,046.53, 2,147,353.57 and 867,761.89 is: 1,197,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,046.53 : 2,147,353.57 = 867,761.89 : x
  2. Step 2: Convert to fraction form
    1,556,046.53/2,147,353.57 = 867,761.89/x
  3. Step 3: Cross multiply
    1,556,046.53x = 2,147,353.57 × 867,761.89
  4. Step 4: Simplify right side
    1,556,046.53x = 1,863,391,593,076.22
  5. Step 5: Solve for x
    x = 1,863,391,593,076.22/1,556,046.53
  6. Step 6: Final answer
    x = 1,197,516.63

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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.