Home / 1,198,373.82-1,653,805.07-689,076.19

Finding the Fourth Proportional to 1,198,373.82, 1,653,805.07 and 689,076.19

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Solution

The fourth proportional to 1,198,373.82, 1,653,805.07 and 689,076.19 is: 950,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,373.82 : 1,653,805.07 = 689,076.19 : x
  2. Step 2: Convert to fraction form
    1,198,373.82/1,653,805.07 = 689,076.19/x
  3. Step 3: Cross multiply
    1,198,373.82x = 1,653,805.07 × 689,076.19
  4. Step 4: Simplify right side
    1,198,373.82x = 1,139,597,696,638.28
  5. Step 5: Solve for x
    x = 1,139,597,696,638.28/1,198,373.82
  6. Step 6: Final answer
    x = 950,953.44

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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.