Home / 1,247,236.56-1,721,236.72-696,000.48

Finding the Fourth Proportional to 1,247,236.56, 1,721,236.72 and 696,000.48

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Solution

The fourth proportional to 1,247,236.56, 1,721,236.72 and 696,000.48 is: 960,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,236.56 : 1,721,236.72 = 696,000.48 : x
  2. Step 2: Convert to fraction form
    1,247,236.56/1,721,236.72 = 696,000.48/x
  3. Step 3: Cross multiply
    1,247,236.56x = 1,721,236.72 × 696,000.48
  4. Step 4: Simplify right side
    1,247,236.56x = 1,197,981,583,313.63
  5. Step 5: Solve for x
    x = 1,197,981,583,313.63/1,247,236.56
  6. Step 6: Final answer
    x = 960,508.71

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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.