Home / 631,826.62-947,906.16-227,059.72

Finding the Fourth Proportional to 631,826.62, 947,906.16 and 227,059.72

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Solution

The fourth proportional to 631,826.62, 947,906.16 and 227,059.72 is: 340,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,826.62 : 947,906.16 = 227,059.72 : x
  2. Step 2: Convert to fraction form
    631,826.62/947,906.16 = 227,059.72/x
  3. Step 3: Cross multiply
    631,826.62x = 947,906.16 × 227,059.72
  4. Step 4: Simplify right side
    631,826.62x = 215,231,307,275.88
  5. Step 5: Solve for x
    x = 215,231,307,275.88/631,826.62
  6. Step 6: Final answer
    x = 340,649.32

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Double scale
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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.