Home / 488,736.29-673,749.38-343,098.62

Finding the Fourth Proportional to 488,736.29, 673,749.38 and 343,098.62

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Solution

The fourth proportional to 488,736.29, 673,749.38 and 343,098.62 is: 472,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,736.29 : 673,749.38 = 343,098.62 : x
  2. Step 2: Convert to fraction form
    488,736.29/673,749.38 = 343,098.62/x
  3. Step 3: Cross multiply
    488,736.29x = 673,749.38 × 343,098.62
  4. Step 4: Simplify right side
    488,736.29x = 231,162,482,597.04
  5. Step 5: Solve for x
    x = 231,162,482,597.04/488,736.29
  6. Step 6: Final answer
    x = 472,979.98

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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.