Home / 447,581.34-617,675.19-243,645.48

Finding the Fourth Proportional to 447,581.34, 617,675.19 and 243,645.48

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Solution

The fourth proportional to 447,581.34, 617,675.19 and 243,645.48 is: 336,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,581.34 : 617,675.19 = 243,645.48 : x
  2. Step 2: Convert to fraction form
    447,581.34/617,675.19 = 243,645.48/x
  3. Step 3: Cross multiply
    447,581.34x = 617,675.19 × 243,645.48
  4. Step 4: Simplify right side
    447,581.34x = 150,493,768,151.64
  5. Step 5: Solve for x
    x = 150,493,768,151.64/447,581.34
  6. Step 6: Final answer
    x = 336,237.81

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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.