Home / 816,688.28-1,224,935.22-217,694.36

Finding the Fourth Proportional to 816,688.28, 1,224,935.22 and 217,694.36

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Solution

The fourth proportional to 816,688.28, 1,224,935.22 and 217,694.36 is: 326,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,688.28 : 1,224,935.22 = 217,694.36 : x
  2. Step 2: Convert to fraction form
    816,688.28/1,224,935.22 = 217,694.36/x
  3. Step 3: Cross multiply
    816,688.28x = 1,224,935.22 × 217,694.36
  4. Step 4: Simplify right side
    816,688.28x = 266,661,488,759.36
  5. Step 5: Solve for x
    x = 266,661,488,759.36/816,688.28
  6. Step 6: Final answer
    x = 326,515.63

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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.