Home / 448,584.60-673,244.10-445,085.40

Finding the Fourth Proportional to 448,584.60, 673,244.10 and 445,085.40

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Solution

The fourth proportional to 448,584.60, 673,244.10 and 445,085.40 is: 667,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,584.60 : 673,244.10 = 445,085.40 : x
  2. Step 2: Convert to fraction form
    448,584.60/673,244.10 = 445,085.40/x
  3. Step 3: Cross multiply
    448,584.60x = 673,244.10 × 445,085.40
  4. Step 4: Simplify right side
    448,584.60x = 299,651,119,546.14
  5. Step 5: Solve for x
    x = 299,651,119,546.14/448,584.60
  6. Step 6: Final answer
    x = 667,992.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.