Home / 1,391,713.96-2,084,026.38-916,960.36

Finding the Fourth Proportional to 1,391,713.96, 2,084,026.38 and 916,960.36

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Solution

The fourth proportional to 1,391,713.96, 2,084,026.38 and 916,960.36 is: 1,373,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,713.96 : 2,084,026.38 = 916,960.36 : x
  2. Step 2: Convert to fraction form
    1,391,713.96/2,084,026.38 = 916,960.36/x
  3. Step 3: Cross multiply
    1,391,713.96x = 2,084,026.38 × 916,960.36
  4. Step 4: Simplify right side
    1,391,713.96x = 1,910,969,579,654.30
  5. Step 5: Solve for x
    x = 1,910,969,579,654.30/1,391,713.96
  6. Step 6: Final answer
    x = 1,373,105.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.