Home / 484,949.16-669,213.36-270,078.12

Finding the Fourth Proportional to 484,949.16, 669,213.36 and 270,078.12

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Solution

The fourth proportional to 484,949.16, 669,213.36 and 270,078.12 is: 372,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,949.16 : 669,213.36 = 270,078.12 : x
  2. Step 2: Convert to fraction form
    484,949.16/669,213.36 = 270,078.12/x
  3. Step 3: Cross multiply
    484,949.16x = 669,213.36 × 270,078.12
  4. Step 4: Simplify right side
    484,949.16x = 180,739,886,147.68
  5. Step 5: Solve for x
    x = 180,739,886,147.68/484,949.16
  6. Step 6: Final answer
    x = 372,698.63

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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.