Home / 653,237.73-979,856.24-203,997.11

Finding the Fourth Proportional to 653,237.73, 979,856.24 and 203,997.11

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Solution

The fourth proportional to 653,237.73, 979,856.24 and 203,997.11 is: 305,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,237.73 : 979,856.24 = 203,997.11 : x
  2. Step 2: Convert to fraction form
    653,237.73/979,856.24 = 203,997.11/x
  3. Step 3: Cross multiply
    653,237.73x = 979,856.24 × 203,997.11
  4. Step 4: Simplify right side
    653,237.73x = 199,887,835,256.20
  5. Step 5: Solve for x
    x = 199,887,835,256.20/653,237.73
  6. Step 6: Final answer
    x = 305,995.55

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Double scale
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Similar ratio
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1.5x scale

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.