Home / 631,299.46-947,150.88-226,218.16

Finding the Fourth Proportional to 631,299.46, 947,150.88 and 226,218.16

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Solution

The fourth proportional to 631,299.46, 947,150.88 and 226,218.16 is: 339,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,299.46 : 947,150.88 = 226,218.16 : x
  2. Step 2: Convert to fraction form
    631,299.46/947,150.88 = 226,218.16/x
  3. Step 3: Cross multiply
    631,299.46x = 947,150.88 × 226,218.16
  4. Step 4: Simplify right side
    631,299.46x = 214,262,729,315.98
  5. Step 5: Solve for x
    x = 214,262,729,315.98/631,299.46
  6. Step 6: Final answer
    x = 339,399.51

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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.