Home / 657,979.00-987,003.58-208,735.79

Finding the Fourth Proportional to 657,979.00, 987,003.58 and 208,735.79

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Solution

The fourth proportional to 657,979.00, 987,003.58 and 208,735.79 is: 313,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,979.00 : 987,003.58 = 208,735.79 : x
  2. Step 2: Convert to fraction form
    657,979.00/987,003.58 = 208,735.79/x
  3. Step 3: Cross multiply
    657,979.00x = 987,003.58 × 208,735.79
  4. Step 4: Simplify right side
    657,979.00x = 206,022,966,938.65
  5. Step 5: Solve for x
    x = 206,022,966,938.65/657,979.00
  6. Step 6: Final answer
    x = 313,114.81

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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.