Home / 1,231,013.28-1,698,791.84-714,894.08

Finding the Fourth Proportional to 1,231,013.28, 1,698,791.84 and 714,894.08

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Solution

The fourth proportional to 1,231,013.28, 1,698,791.84 and 714,894.08 is: 986,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,013.28 : 1,698,791.84 = 714,894.08 : x
  2. Step 2: Convert to fraction form
    1,231,013.28/1,698,791.84 = 714,894.08/x
  3. Step 3: Cross multiply
    1,231,013.28x = 1,698,791.84 × 714,894.08
  4. Step 4: Simplify right side
    1,231,013.28x = 1,214,456,229,568.31
  5. Step 5: Solve for x
    x = 1,214,456,229,568.31/1,231,013.28
  6. Step 6: Final answer
    x = 986,550.06

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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.