Home / 447,561.14-617,647.49-243,625.36

Finding the Fourth Proportional to 447,561.14, 617,647.49 and 243,625.36

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Solution

The fourth proportional to 447,561.14, 617,647.49 and 243,625.36 is: 336,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,561.14 : 617,647.49 = 243,625.36 : x
  2. Step 2: Convert to fraction form
    447,561.14/617,647.49 = 243,625.36/x
  3. Step 3: Cross multiply
    447,561.14x = 617,647.49 × 243,625.36
  4. Step 4: Simplify right side
    447,561.14x = 150,474,591,169.29
  5. Step 5: Solve for x
    x = 150,474,591,169.29/447,561.14
  6. Step 6: Final answer
    x = 336,210.14

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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.