Home / 1,016,945.12-1,403,380.31-558,067.34

Finding the Fourth Proportional to 1,016,945.12, 1,403,380.31 and 558,067.34

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Solution

The fourth proportional to 1,016,945.12, 1,403,380.31 and 558,067.34 is: 770,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,945.12 : 1,403,380.31 = 558,067.34 : x
  2. Step 2: Convert to fraction form
    1,016,945.12/1,403,380.31 = 558,067.34/x
  3. Step 3: Cross multiply
    1,016,945.12x = 1,403,380.31 × 558,067.34
  4. Step 4: Simplify right side
    1,016,945.12x = 783,180,706,802.84
  5. Step 5: Solve for x
    x = 783,180,706,802.84/1,016,945.12
  6. Step 6: Final answer
    x = 770,130.75

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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.