Home / 702,105.40-1,053,267.30-228,680.56

Finding the Fourth Proportional to 702,105.40, 1,053,267.30 and 228,680.56

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Solution

The fourth proportional to 702,105.40, 1,053,267.30 and 228,680.56 is: 343,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,105.40 : 1,053,267.30 = 228,680.56 : x
  2. Step 2: Convert to fraction form
    702,105.40/1,053,267.30 = 228,680.56/x
  3. Step 3: Cross multiply
    702,105.40x = 1,053,267.30 × 228,680.56
  4. Step 4: Simplify right side
    702,105.40x = 240,861,755,993.69
  5. Step 5: Solve for x
    x = 240,861,755,993.69/702,105.40
  6. Step 6: Final answer
    x = 343,056.41

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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.