Home / 631,298.96-947,150.13-226,217.66

Finding the Fourth Proportional to 631,298.96, 947,150.13 and 226,217.66

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Solution

The fourth proportional to 631,298.96, 947,150.13 and 226,217.66 is: 339,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,298.96 : 947,150.13 = 226,217.66 : x
  2. Step 2: Convert to fraction form
    631,298.96/947,150.13 = 226,217.66/x
  3. Step 3: Cross multiply
    631,298.96x = 947,150.13 × 226,217.66
  4. Step 4: Simplify right side
    631,298.96x = 214,262,086,077.30
  5. Step 5: Solve for x
    x = 214,262,086,077.30/631,298.96
  6. Step 6: Final answer
    x = 339,398.76

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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.