Home / 1,383,922.98-1,909,945.17-867,758.58

Finding the Fourth Proportional to 1,383,922.98, 1,909,945.17 and 867,758.58

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Solution

The fourth proportional to 1,383,922.98, 1,909,945.17 and 867,758.58 is: 1,197,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,922.98 : 1,909,945.17 = 867,758.58 : x
  2. Step 2: Convert to fraction form
    1,383,922.98/1,909,945.17 = 867,758.58/x
  3. Step 3: Cross multiply
    1,383,922.98x = 1,909,945.17 × 867,758.58
  4. Step 4: Simplify right side
    1,383,922.98x = 1,657,371,308,597.06
  5. Step 5: Solve for x
    x = 1,657,371,308,597.06/1,383,922.98
  6. Step 6: Final answer
    x = 1,197,589.27

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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.