Home / 1,687,091.69-2,328,186.53-923,145.25

Finding the Fourth Proportional to 1,687,091.69, 2,328,186.53 and 923,145.25

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Solution

The fourth proportional to 1,687,091.69, 2,328,186.53 and 923,145.25 is: 1,273,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,091.69 : 2,328,186.53 = 923,145.25 : x
  2. Step 2: Convert to fraction form
    1,687,091.69/2,328,186.53 = 923,145.25/x
  3. Step 3: Cross multiply
    1,687,091.69x = 2,328,186.53 × 923,145.25
  4. Step 4: Simplify right side
    1,687,091.69x = 2,149,254,336,283.48
  5. Step 5: Solve for x
    x = 2,149,254,336,283.48/1,687,091.69
  6. Step 6: Final answer
    x = 1,273,940.44

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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.