Home / 913,617.20-1,259,953.92-784,511.71

Finding the Fourth Proportional to 913,617.20, 1,259,953.92 and 784,511.71

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Solution

The fourth proportional to 913,617.20, 1,259,953.92 and 784,511.71 is: 1,081,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,617.20 : 1,259,953.92 = 784,511.71 : x
  2. Step 2: Convert to fraction form
    913,617.20/1,259,953.92 = 784,511.71/x
  3. Step 3: Cross multiply
    913,617.20x = 1,259,953.92 × 784,511.71
  4. Step 4: Simplify right side
    913,617.20x = 988,448,601,150.52
  5. Step 5: Solve for x
    x = 988,448,601,150.52/913,617.20
  6. Step 6: Final answer
    x = 1,081,906.73

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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.