Home / 484,940.36-669,238.42-270,080.38

Finding the Fourth Proportional to 484,940.36, 669,238.42 and 270,080.38

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Solution

The fourth proportional to 484,940.36, 669,238.42 and 270,080.38 is: 372,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,940.36 : 669,238.42 = 270,080.38 : x
  2. Step 2: Convert to fraction form
    484,940.36/669,238.42 = 270,080.38/x
  3. Step 3: Cross multiply
    484,940.36x = 669,238.42 × 270,080.38
  4. Step 4: Simplify right side
    484,940.36x = 180,748,166,784.20
  5. Step 5: Solve for x
    x = 180,748,166,784.20/484,940.36
  6. Step 6: Final answer
    x = 372,722.47

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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.