Home / 681,874.40-1,022,811.60-557,458.40

Finding the Fourth Proportional to 681,874.40, 1,022,811.60 and 557,458.40

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Solution

The fourth proportional to 681,874.40, 1,022,811.60 and 557,458.40 is: 836,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,874.40 : 1,022,811.60 = 557,458.40 : x
  2. Step 2: Convert to fraction form
    681,874.40/1,022,811.60 = 557,458.40/x
  3. Step 3: Cross multiply
    681,874.40x = 1,022,811.60 × 557,458.40
  4. Step 4: Simplify right side
    681,874.40x = 570,174,918,037.44
  5. Step 5: Solve for x
    x = 570,174,918,037.44/681,874.40
  6. Step 6: Final answer
    x = 836,187.60

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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.