Home / 443,977.56-612,481.26-290,975.04

Finding the Fourth Proportional to 443,977.56, 612,481.26 and 290,975.04

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Solution

The fourth proportional to 443,977.56, 612,481.26 and 290,975.04 is: 401,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,977.56 : 612,481.26 = 290,975.04 : x
  2. Step 2: Convert to fraction form
    443,977.56/612,481.26 = 290,975.04/x
  3. Step 3: Cross multiply
    443,977.56x = 612,481.26 × 290,975.04
  4. Step 4: Simplify right side
    443,977.56x = 178,216,759,127.75
  5. Step 5: Solve for x
    x = 178,216,759,127.75/443,977.56
  6. Step 6: Final answer
    x = 401,409.38

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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.