Home / 447,394.32-617,632.83-345,190.14

Finding the Fourth Proportional to 447,394.32, 617,632.83 and 345,190.14

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Solution

The fourth proportional to 447,394.32, 617,632.83 and 345,190.14 is: 476,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,394.32 : 617,632.83 = 345,190.14 : x
  2. Step 2: Convert to fraction form
    447,394.32/617,632.83 = 345,190.14/x
  3. Step 3: Cross multiply
    447,394.32x = 617,632.83 × 345,190.14
  4. Step 4: Simplify right side
    447,394.32x = 213,200,763,056.30
  5. Step 5: Solve for x
    x = 213,200,763,056.30/447,394.32
  6. Step 6: Final answer
    x = 476,538.82

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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.