Home / 448,580.10-673,237.35-445,080.90

Finding the Fourth Proportional to 448,580.10, 673,237.35 and 445,080.90

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Solution

The fourth proportional to 448,580.10, 673,237.35 and 445,080.90 is: 667,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,580.10 : 673,237.35 = 445,080.90 : x
  2. Step 2: Convert to fraction form
    448,580.10/673,237.35 = 445,080.90/x
  3. Step 3: Cross multiply
    448,580.10x = 673,237.35 × 445,080.90
  4. Step 4: Simplify right side
    448,580.10x = 299,645,085,651.62
  5. Step 5: Solve for x
    x = 299,645,085,651.62/448,580.10
  6. Step 6: Final answer
    x = 667,985.69

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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.