Home / 484,921.46-669,143.58-270,081.48

Finding the Fourth Proportional to 484,921.46, 669,143.58 and 270,081.48

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Solution

The fourth proportional to 484,921.46, 669,143.58 and 270,081.48 is: 372,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,921.46 : 669,143.58 = 270,081.48 : x
  2. Step 2: Convert to fraction form
    484,921.46/669,143.58 = 270,081.48/x
  3. Step 3: Cross multiply
    484,921.46x = 669,143.58 × 270,081.48
  4. Step 4: Simplify right side
    484,921.46x = 180,723,288,418.90
  5. Step 5: Solve for x
    x = 180,723,288,418.90/484,921.46
  6. Step 6: Final answer
    x = 372,685.69

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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.