Home / 657,111.85-985,789.46-207,945.79

Finding the Fourth Proportional to 657,111.85, 985,789.46 and 207,945.79

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Solution

The fourth proportional to 657,111.85, 985,789.46 and 207,945.79 is: 311,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,111.85 : 985,789.46 = 207,945.79 : x
  2. Step 2: Convert to fraction form
    657,111.85/985,789.46 = 207,945.79/x
  3. Step 3: Cross multiply
    657,111.85x = 985,789.46 × 207,945.79
  4. Step 4: Simplify right side
    657,111.85x = 204,990,768,033.37
  5. Step 5: Solve for x
    x = 204,990,768,033.37/657,111.85
  6. Step 6: Final answer
    x = 311,957.19

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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.