Home / 792,628.75-1,188,693.37-260,025.67

Finding the Fourth Proportional to 792,628.75, 1,188,693.37 and 260,025.67

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Solution

The fourth proportional to 792,628.75, 1,188,693.37 and 260,025.67 is: 389,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,628.75 : 1,188,693.37 = 260,025.67 : x
  2. Step 2: Convert to fraction form
    792,628.75/1,188,693.37 = 260,025.67/x
  3. Step 3: Cross multiply
    792,628.75x = 1,188,693.37 × 260,025.67
  4. Step 4: Simplify right side
    792,628.75x = 309,090,789,958.81
  5. Step 5: Solve for x
    x = 309,090,789,958.81/792,628.75
  6. Step 6: Final answer
    x = 389,956.57

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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.