Home / 1,316,806.38-1,817,132.94-827,028.90

Finding the Fourth Proportional to 1,316,806.38, 1,817,132.94 and 827,028.90

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Solution

The fourth proportional to 1,316,806.38, 1,817,132.94 and 827,028.90 is: 1,141,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,806.38 : 1,817,132.94 = 827,028.90 : x
  2. Step 2: Convert to fraction form
    1,316,806.38/1,817,132.94 = 827,028.90/x
  3. Step 3: Cross multiply
    1,316,806.38x = 1,817,132.94 × 827,028.90
  4. Step 4: Simplify right side
    1,316,806.38x = 1,502,821,456,521.97
  5. Step 5: Solve for x
    x = 1,502,821,456,521.97/1,316,806.38
  6. Step 6: Final answer
    x = 1,141,262.28

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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.