Home / 1,383,539.40-2,076,183.90-814,919.40

Finding the Fourth Proportional to 1,383,539.40, 2,076,183.90 and 814,919.40

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Solution

The fourth proportional to 1,383,539.40, 2,076,183.90 and 814,919.40 is: 1,222,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,539.40 : 2,076,183.90 = 814,919.40 : x
  2. Step 2: Convert to fraction form
    1,383,539.40/2,076,183.90 = 814,919.40/x
  3. Step 3: Cross multiply
    1,383,539.40x = 2,076,183.90 × 814,919.40
  4. Step 4: Simplify right side
    1,383,539.40x = 1,691,922,538,077.66
  5. Step 5: Solve for x
    x = 1,691,922,538,077.66/1,383,539.40
  6. Step 6: Final answer
    x = 1,222,894.37

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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.