Home / 552,288.92-761,961.20-322,764.62

Finding the Fourth Proportional to 552,288.92, 761,961.20 and 322,764.62

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Solution

The fourth proportional to 552,288.92, 761,961.20 and 322,764.62 is: 445,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,288.92 : 761,961.20 = 322,764.62 : x
  2. Step 2: Convert to fraction form
    552,288.92/761,961.20 = 322,764.62/x
  3. Step 3: Cross multiply
    552,288.92x = 761,961.20 × 322,764.62
  4. Step 4: Simplify right side
    552,288.92x = 245,934,111,749.12
  5. Step 5: Solve for x
    x = 245,934,111,749.12/552,288.92
  6. Step 6: Final answer
    x = 445,299.74

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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.