Home / 645,329.28-967,991.68-165,556.56

Finding the Fourth Proportional to 645,329.28, 967,991.68 and 165,556.56

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Solution

The fourth proportional to 645,329.28, 967,991.68 and 165,556.56 is: 248,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,329.28 : 967,991.68 = 165,556.56 : x
  2. Step 2: Convert to fraction form
    645,329.28/967,991.68 = 165,556.56/x
  3. Step 3: Cross multiply
    645,329.28x = 967,991.68 × 165,556.56
  4. Step 4: Simplify right side
    645,329.28x = 160,257,372,649.42
  5. Step 5: Solve for x
    x = 160,257,372,649.42/645,329.28
  6. Step 6: Final answer
    x = 248,334.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.