Home / 447,454.23-617,507.17-263,700.56

Finding the Fourth Proportional to 447,454.23, 617,507.17 and 263,700.56

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Solution

The fourth proportional to 447,454.23, 617,507.17 and 263,700.56 is: 363,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,454.23 : 617,507.17 = 263,700.56 : x
  2. Step 2: Convert to fraction form
    447,454.23/617,507.17 = 263,700.56/x
  3. Step 3: Cross multiply
    447,454.23x = 617,507.17 × 263,700.56
  4. Step 4: Simplify right side
    447,454.23x = 162,836,984,269.54
  5. Step 5: Solve for x
    x = 162,836,984,269.54/447,454.23
  6. Step 6: Final answer
    x = 363,918.75

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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.