Home / 1,016,212.80-1,402,387.73-557,297.11

Finding the Fourth Proportional to 1,016,212.80, 1,402,387.73 and 557,297.11

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Solution

The fourth proportional to 1,016,212.80, 1,402,387.73 and 557,297.11 is: 769,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,212.80 : 1,402,387.73 = 557,297.11 : x
  2. Step 2: Convert to fraction form
    1,016,212.80/1,402,387.73 = 557,297.11/x
  3. Step 3: Cross multiply
    1,016,212.80x = 1,402,387.73 × 557,297.11
  4. Step 4: Simplify right side
    1,016,212.80x = 781,546,629,028.46
  5. Step 5: Solve for x
    x = 781,546,629,028.46/1,016,212.80
  6. Step 6: Final answer
    x = 769,077.73

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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.