Home / 599,739.69-827,560.89-385,170.42

Finding the Fourth Proportional to 599,739.69, 827,560.89 and 385,170.42

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Solution

The fourth proportional to 599,739.69, 827,560.89 and 385,170.42 is: 531,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,739.69 : 827,560.89 = 385,170.42 : x
  2. Step 2: Convert to fraction form
    599,739.69/827,560.89 = 385,170.42/x
  3. Step 3: Cross multiply
    599,739.69x = 827,560.89 × 385,170.42
  4. Step 4: Simplify right side
    599,739.69x = 318,751,975,576.87
  5. Step 5: Solve for x
    x = 318,751,975,576.87/599,739.69
  6. Step 6: Final answer
    x = 531,483.88

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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.