Home / 1,291,112.83-1,936,777.67-392,562.36

Finding the Fourth Proportional to 1,291,112.83, 1,936,777.67 and 392,562.36

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Solution

The fourth proportional to 1,291,112.83, 1,936,777.67 and 392,562.36 is: 588,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,112.83 : 1,936,777.67 = 392,562.36 : x
  2. Step 2: Convert to fraction form
    1,291,112.83/1,936,777.67 = 392,562.36/x
  3. Step 3: Cross multiply
    1,291,112.83x = 1,936,777.67 × 392,562.36
  4. Step 4: Simplify right side
    1,291,112.83x = 760,306,002,907.23
  5. Step 5: Solve for x
    x = 760,306,002,907.23/1,291,112.83
  6. Step 6: Final answer
    x = 588,876.50

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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.