Home / 868,542.51-1,198,588.78-481,382.93

Finding the Fourth Proportional to 868,542.51, 1,198,588.78 and 481,382.93

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Solution

The fourth proportional to 868,542.51, 1,198,588.78 and 481,382.93 is: 664,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,542.51 : 1,198,588.78 = 481,382.93 : x
  2. Step 2: Convert to fraction form
    868,542.51/1,198,588.78 = 481,382.93/x
  3. Step 3: Cross multiply
    868,542.51x = 1,198,588.78 × 481,382.93
  4. Step 4: Simplify right side
    868,542.51x = 576,980,171,585.12
  5. Step 5: Solve for x
    x = 576,980,171,585.12/868,542.51
  6. Step 6: Final answer
    x = 664,308.50

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Double scale
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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.