Home / 657,318.56-985,977.88-214,086.56

Finding the Fourth Proportional to 657,318.56, 985,977.88 and 214,086.56

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Solution

The fourth proportional to 657,318.56, 985,977.88 and 214,086.56 is: 321,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,318.56 : 985,977.88 = 214,086.56 : x
  2. Step 2: Convert to fraction form
    657,318.56/985,977.88 = 214,086.56/x
  3. Step 3: Cross multiply
    657,318.56x = 985,977.88 × 214,086.56
  4. Step 4: Simplify right side
    657,318.56x = 211,084,612,565.29
  5. Step 5: Solve for x
    x = 211,084,612,565.29/657,318.56
  6. Step 6: Final answer
    x = 321,129.85

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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.