Home / 1,391,714.17-2,084,027.39-916,960.21

Finding the Fourth Proportional to 1,391,714.17, 2,084,027.39 and 916,960.21

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Solution

The fourth proportional to 1,391,714.17, 2,084,027.39 and 916,960.21 is: 1,373,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,714.17 : 2,084,027.39 = 916,960.21 : x
  2. Step 2: Convert to fraction form
    1,391,714.17/2,084,027.39 = 916,960.21/x
  3. Step 3: Cross multiply
    1,391,714.17x = 2,084,027.39 × 916,960.21
  4. Step 4: Simplify right side
    1,391,714.17x = 1,910,970,193,180.15
  5. Step 5: Solve for x
    x = 1,910,970,193,180.15/1,391,714.17
  6. Step 6: Final answer
    x = 1,373,105.36

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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.