Home / 397,081.12-547,985.14-233,708.01

Finding the Fourth Proportional to 397,081.12, 547,985.14 and 233,708.01

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Solution

The fourth proportional to 397,081.12, 547,985.14 and 233,708.01 is: 322,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,081.12 : 547,985.14 = 233,708.01 : x
  2. Step 2: Convert to fraction form
    397,081.12/547,985.14 = 233,708.01/x
  3. Step 3: Cross multiply
    397,081.12x = 547,985.14 × 233,708.01
  4. Step 4: Simplify right side
    397,081.12x = 128,068,516,578.97
  5. Step 5: Solve for x
    x = 128,068,516,578.97/397,081.12
  6. Step 6: Final answer
    x = 322,524.82

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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.