Home / 477,996.44-659,635.20-263,136.51

Finding the Fourth Proportional to 477,996.44, 659,635.20 and 263,136.51

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Solution

The fourth proportional to 477,996.44, 659,635.20 and 263,136.51 is: 363,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,996.44 : 659,635.20 = 263,136.51 : x
  2. Step 2: Convert to fraction form
    477,996.44/659,635.20 = 263,136.51/x
  3. Step 3: Cross multiply
    477,996.44x = 659,635.20 × 263,136.51
  4. Step 4: Simplify right side
    477,996.44x = 173,574,104,401.15
  5. Step 5: Solve for x
    x = 173,574,104,401.15/477,996.44
  6. Step 6: Final answer
    x = 363,128.45

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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.