Home / 424,131.28-585,286.32-233,143.30

Finding the Fourth Proportional to 424,131.28, 585,286.32 and 233,143.30

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Solution

The fourth proportional to 424,131.28, 585,286.32 and 233,143.30 is: 321,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,131.28 : 585,286.32 = 233,143.30 : x
  2. Step 2: Convert to fraction form
    424,131.28/585,286.32 = 233,143.30/x
  3. Step 3: Cross multiply
    424,131.28x = 585,286.32 × 233,143.30
  4. Step 4: Simplify right side
    424,131.28x = 136,455,584,089.66
  5. Step 5: Solve for x
    x = 136,455,584,089.66/424,131.28
  6. Step 6: Final answer
    x = 321,729.59

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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.