Home / 1,642,192.94-2,266,221.83-917,034.77

Finding the Fourth Proportional to 1,642,192.94, 2,266,221.83 and 917,034.77

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Solution

The fourth proportional to 1,642,192.94, 2,266,221.83 and 917,034.77 is: 1,265,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,192.94 : 2,266,221.83 = 917,034.77 : x
  2. Step 2: Convert to fraction form
    1,642,192.94/2,266,221.83 = 917,034.77/x
  3. Step 3: Cross multiply
    1,642,192.94x = 2,266,221.83 × 917,034.77
  4. Step 4: Simplify right side
    1,642,192.94x = 2,078,204,198,726.75
  5. Step 5: Solve for x
    x = 2,078,204,198,726.75/1,642,192.94
  6. Step 6: Final answer
    x = 1,265,505.50

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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.