Home / 451,919.34-623,668.23-270,660.78

Finding the Fourth Proportional to 451,919.34, 623,668.23 and 270,660.78

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Solution

The fourth proportional to 451,919.34, 623,668.23 and 270,660.78 is: 373,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,919.34 : 623,668.23 = 270,660.78 : x
  2. Step 2: Convert to fraction form
    451,919.34/623,668.23 = 270,660.78/x
  3. Step 3: Cross multiply
    451,919.34x = 623,668.23 × 270,660.78
  4. Step 4: Simplify right side
    451,919.34x = 168,802,529,593.02
  5. Step 5: Solve for x
    x = 168,802,529,593.02/451,919.34
  6. Step 6: Final answer
    x = 373,523.58

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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.