Home / 427,287.15-589,634.26-233,657.17

Finding the Fourth Proportional to 427,287.15, 589,634.26 and 233,657.17

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Solution

The fourth proportional to 427,287.15, 589,634.26 and 233,657.17 is: 322,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,287.15 : 589,634.26 = 233,657.17 : x
  2. Step 2: Convert to fraction form
    427,287.15/589,634.26 = 233,657.17/x
  3. Step 3: Cross multiply
    427,287.15x = 589,634.26 × 233,657.17
  4. Step 4: Simplify right side
    427,287.15x = 137,772,270,468.42
  5. Step 5: Solve for x
    x = 137,772,270,468.42/427,287.15
  6. Step 6: Final answer
    x = 322,434.86

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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.