Home / 2,798,383.53-4,198,308.38-879,217.20

Finding the Fourth Proportional to 2,798,383.53, 4,198,308.38 and 879,217.20

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Solution

The fourth proportional to 2,798,383.53, 4,198,308.38 and 879,217.20 is: 1,319,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,383.53 : 4,198,308.38 = 879,217.20 : x
  2. Step 2: Convert to fraction form
    2,798,383.53/4,198,308.38 = 879,217.20/x
  3. Step 3: Cross multiply
    2,798,383.53x = 4,198,308.38 × 879,217.20
  4. Step 4: Simplify right side
    2,798,383.53x = 3,691,224,934,204.05
  5. Step 5: Solve for x
    x = 3,691,224,934,204.05/2,798,383.53
  6. Step 6: Final answer
    x = 1,319,056.12

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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.