Home / 1,642,996.86-2,267,172.63-917,828.97

Finding the Fourth Proportional to 1,642,996.86, 2,267,172.63 and 917,828.97

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Solution

The fourth proportional to 1,642,996.86, 2,267,172.63 and 917,828.97 is: 1,266,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,996.86 : 2,267,172.63 = 917,828.97 : x
  2. Step 2: Convert to fraction form
    1,642,996.86/2,267,172.63 = 917,828.97/x
  3. Step 3: Cross multiply
    1,642,996.86x = 2,267,172.63 × 917,828.97
  4. Step 4: Simplify right side
    1,642,996.86x = 2,080,876,719,805.09
  5. Step 5: Solve for x
    x = 2,080,876,719,805.09/1,642,996.86
  6. Step 6: Final answer
    x = 1,266,512.90

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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.