Home / 792,628.57-1,188,693.09-260,025.49

Finding the Fourth Proportional to 792,628.57, 1,188,693.09 and 260,025.49

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Solution

The fourth proportional to 792,628.57, 1,188,693.09 and 260,025.49 is: 389,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,628.57 : 1,188,693.09 = 260,025.49 : x
  2. Step 2: Convert to fraction form
    792,628.57/1,188,693.09 = 260,025.49/x
  3. Step 3: Cross multiply
    792,628.57x = 1,188,693.09 × 260,025.49
  4. Step 4: Simplify right side
    792,628.57x = 309,090,503,186.86
  5. Step 5: Solve for x
    x = 309,090,503,186.86/792,628.57
  6. Step 6: Final answer
    x = 389,956.30

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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.