Home / 631,889.49-947,834.24-211,165.37

Finding the Fourth Proportional to 631,889.49, 947,834.24 and 211,165.37

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Solution

The fourth proportional to 631,889.49, 947,834.24 and 211,165.37 is: 316,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,889.49 : 947,834.24 = 211,165.37 : x
  2. Step 2: Convert to fraction form
    631,889.49/947,834.24 = 211,165.37/x
  3. Step 3: Cross multiply
    631,889.49x = 947,834.24 × 211,165.37
  4. Step 4: Simplify right side
    631,889.49x = 200,149,762,193.27
  5. Step 5: Solve for x
    x = 200,149,762,193.27/631,889.49
  6. Step 6: Final answer
    x = 316,748.05

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Double scale
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Similar ratio
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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.