Home / 1,642,571.06-2,266,523.78-917,326.22

Finding the Fourth Proportional to 1,642,571.06, 2,266,523.78 and 917,326.22

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Solution

The fourth proportional to 1,642,571.06, 2,266,523.78 and 917,326.22 is: 1,265,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,571.06 : 2,266,523.78 = 917,326.22 : x
  2. Step 2: Convert to fraction form
    1,642,571.06/2,266,523.78 = 917,326.22/x
  3. Step 3: Cross multiply
    1,642,571.06x = 2,266,523.78 × 917,326.22
  4. Step 4: Simplify right side
    1,642,571.06x = 2,079,141,675,728.26
  5. Step 5: Solve for x
    x = 2,079,141,675,728.26/1,642,571.06
  6. Step 6: Final answer
    x = 1,265,784.92

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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.