Home / 1,383,961.35-2,076,761.87-585,199.11

Finding the Fourth Proportional to 1,383,961.35, 2,076,761.87 and 585,199.11

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Solution

The fourth proportional to 1,383,961.35, 2,076,761.87 and 585,199.11 is: 878,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,961.35 : 2,076,761.87 = 585,199.11 : x
  2. Step 2: Convert to fraction form
    1,383,961.35/2,076,761.87 = 585,199.11/x
  3. Step 3: Cross multiply
    1,383,961.35x = 2,076,761.87 × 585,199.11
  4. Step 4: Simplify right side
    1,383,961.35x = 1,215,319,198,005.94
  5. Step 5: Solve for x
    x = 1,215,319,198,005.94/1,383,961.35
  6. Step 6: Final answer
    x = 878,145.33

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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.