Home / 427,906.97-590,530.06-236,920.35

Finding the Fourth Proportional to 427,906.97, 590,530.06 and 236,920.35

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Solution

The fourth proportional to 427,906.97, 590,530.06 and 236,920.35 is: 326,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,906.97 : 590,530.06 = 236,920.35 : x
  2. Step 2: Convert to fraction form
    427,906.97/590,530.06 = 236,920.35/x
  3. Step 3: Cross multiply
    427,906.97x = 590,530.06 × 236,920.35
  4. Step 4: Simplify right side
    427,906.97x = 139,908,588,500.72
  5. Step 5: Solve for x
    x = 139,908,588,500.72/427,906.97
  6. Step 6: Final answer
    x = 326,960.30

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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.