Home / 319,114.40-440,523.39-227,292.80

Finding the Fourth Proportional to 319,114.40, 440,523.39 and 227,292.80

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Solution

The fourth proportional to 319,114.40, 440,523.39 and 227,292.80 is: 313,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,114.40 : 440,523.39 = 227,292.80 : x
  2. Step 2: Convert to fraction form
    319,114.40/440,523.39 = 227,292.80/x
  3. Step 3: Cross multiply
    319,114.40x = 440,523.39 × 227,292.80
  4. Step 4: Simplify right side
    319,114.40x = 100,127,791,439.51
  5. Step 5: Solve for x
    x = 100,127,791,439.51/319,114.40
  6. Step 6: Final answer
    x = 313,767.71

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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.