Home / 939,812.66-1,296,906.78-510,083.56

Finding the Fourth Proportional to 939,812.66, 1,296,906.78 and 510,083.56

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Solution

The fourth proportional to 939,812.66, 1,296,906.78 and 510,083.56 is: 703,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,812.66 : 1,296,906.78 = 510,083.56 : x
  2. Step 2: Convert to fraction form
    939,812.66/1,296,906.78 = 510,083.56/x
  3. Step 3: Cross multiply
    939,812.66x = 1,296,906.78 × 510,083.56
  4. Step 4: Simplify right side
    939,812.66x = 661,530,827,330.54
  5. Step 5: Solve for x
    x = 661,530,827,330.54/939,812.66
  6. Step 6: Final answer
    x = 703,896.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.