Home / 448,052.80-673,391.40-440,179.60

Finding the Fourth Proportional to 448,052.80, 673,391.40 and 440,179.60

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Solution

The fourth proportional to 448,052.80, 673,391.40 and 440,179.60 is: 661,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,052.80 : 673,391.40 = 440,179.60 : x
  2. Step 2: Convert to fraction form
    448,052.80/673,391.40 = 440,179.60/x
  3. Step 3: Cross multiply
    448,052.80x = 673,391.40 × 440,179.60
  4. Step 4: Simplify right side
    448,052.80x = 296,413,157,095.44
  5. Step 5: Solve for x
    x = 296,413,157,095.44/448,052.80
  6. Step 6: Final answer
    x = 661,558.54

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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.