Home / 1,384,882.44-2,077,556.94-636,909

Finding the Fourth Proportional to 1,384,882.44, 2,077,556.94 and 636,909

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Solution

The fourth proportional to 1,384,882.44, 2,077,556.94 and 636,909 is: 955,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,882.44 : 2,077,556.94 = 636,909 : x
  2. Step 2: Convert to fraction form
    1,384,882.44/2,077,556.94 = 636,909/x
  3. Step 3: Cross multiply
    1,384,882.44x = 2,077,556.94 × 636,909
  4. Step 4: Simplify right side
    1,384,882.44x = 1,323,214,713,098.46
  5. Step 5: Solve for x
    x = 1,323,214,713,098.46/1,384,882.44
  6. Step 6: Final answer
    x = 955,470.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.