Home / 479,522.07-661,739.07-264,660.60

Finding the Fourth Proportional to 479,522.07, 661,739.07 and 264,660.60

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Solution

The fourth proportional to 479,522.07, 661,739.07 and 264,660.60 is: 365,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,522.07 : 661,739.07 = 264,660.60 : x
  2. Step 2: Convert to fraction form
    479,522.07/661,739.07 = 264,660.60/x
  3. Step 3: Cross multiply
    479,522.07x = 661,739.07 × 264,660.60
  4. Step 4: Simplify right side
    479,522.07x = 175,136,259,309.64
  5. Step 5: Solve for x
    x = 175,136,259,309.64/479,522.07
  6. Step 6: Final answer
    x = 365,230.86

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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.