Home / 631,299.45-947,363.49-231,943.53

Finding the Fourth Proportional to 631,299.45, 947,363.49 and 231,943.53

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Solution

The fourth proportional to 631,299.45, 947,363.49 and 231,943.53 is: 348,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,299.45 : 947,363.49 = 231,943.53 : x
  2. Step 2: Convert to fraction form
    631,299.45/947,363.49 = 231,943.53/x
  3. Step 3: Cross multiply
    631,299.45x = 947,363.49 × 231,943.53
  4. Step 4: Simplify right side
    631,299.45x = 219,734,832,063.72
  5. Step 5: Solve for x
    x = 219,734,832,063.72/631,299.45
  6. Step 6: Final answer
    x = 348,067.52

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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.