Home / 488,772.82-673,799.68-343,135.12

Finding the Fourth Proportional to 488,772.82, 673,799.68 and 343,135.12

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Solution

The fourth proportional to 488,772.82, 673,799.68 and 343,135.12 is: 473,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,772.82 : 673,799.68 = 343,135.12 : x
  2. Step 2: Convert to fraction form
    488,772.82/673,799.68 = 343,135.12/x
  3. Step 3: Cross multiply
    488,772.82x = 673,799.68 × 343,135.12
  4. Step 4: Simplify right side
    488,772.82x = 231,204,334,052.76
  5. Step 5: Solve for x
    x = 231,204,334,052.76/488,772.82
  6. Step 6: Final answer
    x = 473,030.26

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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.