Home / 447,161.32-617,064.74-243,212.38

Finding the Fourth Proportional to 447,161.32, 617,064.74 and 243,212.38

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Solution

The fourth proportional to 447,161.32, 617,064.74 and 243,212.38 is: 335,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,161.32 : 617,064.74 = 243,212.38 : x
  2. Step 2: Convert to fraction form
    447,161.32/617,064.74 = 243,212.38/x
  3. Step 3: Cross multiply
    447,161.32x = 617,064.74 × 243,212.38
  4. Step 4: Simplify right side
    447,161.32x = 150,077,786,101.11
  5. Step 5: Solve for x
    x = 150,077,786,101.11/447,161.32
  6. Step 6: Final answer
    x = 335,623.36

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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.