Home / 957,103.56-1,320,861.87-527,383.62

Finding the Fourth Proportional to 957,103.56, 1,320,861.87 and 527,383.62

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Solution

The fourth proportional to 957,103.56, 1,320,861.87 and 527,383.62 is: 727,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,103.56 : 1,320,861.87 = 527,383.62 : x
  2. Step 2: Convert to fraction form
    957,103.56/1,320,861.87 = 527,383.62/x
  3. Step 3: Cross multiply
    957,103.56x = 1,320,861.87 × 527,383.62
  4. Step 4: Simplify right side
    957,103.56x = 696,600,914,520.57
  5. Step 5: Solve for x
    x = 696,600,914,520.57/957,103.56
  6. Step 6: Final answer
    x = 727,821.88

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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.