Home / 657,795.38-986,849.06-214,563.38

Finding the Fourth Proportional to 657,795.38, 986,849.06 and 214,563.38

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Solution

The fourth proportional to 657,795.38, 986,849.06 and 214,563.38 is: 321,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,795.38 : 986,849.06 = 214,563.38 : x
  2. Step 2: Convert to fraction form
    657,795.38/986,849.06 = 214,563.38/x
  3. Step 3: Cross multiply
    657,795.38x = 986,849.06 × 214,563.38
  4. Step 4: Simplify right side
    657,795.38x = 211,741,665,465.59
  5. Step 5: Solve for x
    x = 211,741,665,465.59/657,795.38
  6. Step 6: Final answer
    x = 321,895.95

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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.