Home / 465,039.35-641,704.60-261,112.69

Finding the Fourth Proportional to 465,039.35, 641,704.60 and 261,112.69

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Solution

The fourth proportional to 465,039.35, 641,704.60 and 261,112.69 is: 360,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,039.35 : 641,704.60 = 261,112.69 : x
  2. Step 2: Convert to fraction form
    465,039.35/641,704.60 = 261,112.69/x
  3. Step 3: Cross multiply
    465,039.35x = 641,704.60 × 261,112.69
  4. Step 4: Simplify right side
    465,039.35x = 167,557,212,034.33
  5. Step 5: Solve for x
    x = 167,557,212,034.33/465,039.35
  6. Step 6: Final answer
    x = 360,307.60

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1.5x scale

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.