Home / 447,588.42-617,679.90-243,645.22

Finding the Fourth Proportional to 447,588.42, 617,679.90 and 243,645.22

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Solution

The fourth proportional to 447,588.42, 617,679.90 and 243,645.22 is: 336,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,588.42 : 617,679.90 = 243,645.22 : x
  2. Step 2: Convert to fraction form
    447,588.42/617,679.90 = 243,645.22/x
  3. Step 3: Cross multiply
    447,588.42x = 617,679.90 × 243,645.22
  4. Step 4: Simplify right side
    447,588.42x = 150,494,755,125.08
  5. Step 5: Solve for x
    x = 150,494,755,125.08/447,588.42
  6. Step 6: Final answer
    x = 336,234.69

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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.