Home / 447,588.63-617,680.19-243,645.41

Finding the Fourth Proportional to 447,588.63, 617,680.19 and 243,645.41

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Solution

The fourth proportional to 447,588.63, 617,680.19 and 243,645.41 is: 336,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,588.63 : 617,680.19 = 243,645.41 : x
  2. Step 2: Convert to fraction form
    447,588.63/617,680.19 = 243,645.41/x
  3. Step 3: Cross multiply
    447,588.63x = 617,680.19 × 243,645.41
  4. Step 4: Simplify right side
    447,588.63x = 150,494,942,064.77
  5. Step 5: Solve for x
    x = 150,494,942,064.77/447,588.63
  6. Step 6: Final answer
    x = 336,234.96

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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.