Home / 842,443.20-1,263,670.20-337,046.40

Finding the Fourth Proportional to 842,443.20, 1,263,670.20 and 337,046.40

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Solution

The fourth proportional to 842,443.20, 1,263,670.20 and 337,046.40 is: 505,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,443.20 : 1,263,670.20 = 337,046.40 : x
  2. Step 2: Convert to fraction form
    842,443.20/1,263,670.20 = 337,046.40/x
  3. Step 3: Cross multiply
    842,443.20x = 1,263,670.20 × 337,046.40
  4. Step 4: Simplify right side
    842,443.20x = 425,915,491,697.28
  5. Step 5: Solve for x
    x = 425,915,491,697.28/842,443.20
  6. Step 6: Final answer
    x = 505,571.76

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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.