Home / 1,192,065.92-1,645,059.52-648,197.81

Finding the Fourth Proportional to 1,192,065.92, 1,645,059.52 and 648,197.81

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Solution

The fourth proportional to 1,192,065.92, 1,645,059.52 and 648,197.81 is: 894,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,065.92 : 1,645,059.52 = 648,197.81 : x
  2. Step 2: Convert to fraction form
    1,192,065.92/1,645,059.52 = 648,197.81/x
  3. Step 3: Cross multiply
    1,192,065.92x = 1,645,059.52 × 648,197.81
  4. Step 4: Simplify right side
    1,192,065.92x = 1,066,323,969,958.35
  5. Step 5: Solve for x
    x = 1,066,323,969,958.35/1,192,065.92
  6. Step 6: Final answer
    x = 894,517.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.