Home / 792,842.20-1,189,591.62-437,824.60

Finding the Fourth Proportional to 792,842.20, 1,189,591.62 and 437,824.60

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Solution

The fourth proportional to 792,842.20, 1,189,591.62 and 437,824.60 is: 656,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,842.20 : 1,189,591.62 = 437,824.60 : x
  2. Step 2: Convert to fraction form
    792,842.20/1,189,591.62 = 437,824.60/x
  3. Step 3: Cross multiply
    792,842.20x = 1,189,591.62 × 437,824.60
  4. Step 4: Simplify right side
    792,842.20x = 520,832,475,189.85
  5. Step 5: Solve for x
    x = 520,832,475,189.85/792,842.20
  6. Step 6: Final answer
    x = 656,918.21

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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.