Home / 465,039.13-641,704.30-261,112.47

Finding the Fourth Proportional to 465,039.13, 641,704.30 and 261,112.47

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Solution

The fourth proportional to 465,039.13, 641,704.30 and 261,112.47 is: 360,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,039.13 : 641,704.30 = 261,112.47 : x
  2. Step 2: Convert to fraction form
    465,039.13/641,704.30 = 261,112.47/x
  3. Step 3: Cross multiply
    465,039.13x = 641,704.30 × 261,112.47
  4. Step 4: Simplify right side
    465,039.13x = 167,556,994,782.62
  5. Step 5: Solve for x
    x = 167,556,994,782.62/465,039.13
  6. Step 6: Final answer
    x = 360,307.30

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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.