Home / 907,520.28-1,252,917.09-806,629.92

Finding the Fourth Proportional to 907,520.28, 1,252,917.09 and 806,629.92

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Solution

The fourth proportional to 907,520.28, 1,252,917.09 and 806,629.92 is: 1,113,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,520.28 : 1,252,917.09 = 806,629.92 : x
  2. Step 2: Convert to fraction form
    907,520.28/1,252,917.09 = 806,629.92/x
  3. Step 3: Cross multiply
    907,520.28x = 1,252,917.09 × 806,629.92
  4. Step 4: Simplify right side
    907,520.28x = 1,010,640,412,073.33
  5. Step 5: Solve for x
    x = 1,010,640,412,073.33/907,520.28
  6. Step 6: Final answer
    x = 1,113,628.46

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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.