Home / 427,910.39-590,534.79-236,923.78

Finding the Fourth Proportional to 427,910.39, 590,534.79 and 236,923.78

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Solution

The fourth proportional to 427,910.39, 590,534.79 and 236,923.78 is: 326,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,910.39 : 590,534.79 = 236,923.78 : x
  2. Step 2: Convert to fraction form
    427,910.39/590,534.79 = 236,923.78/x
  3. Step 3: Cross multiply
    427,910.39x = 590,534.79 × 236,923.78
  4. Step 4: Simplify right side
    427,910.39x = 139,911,733,483.69
  5. Step 5: Solve for x
    x = 139,911,733,483.69/427,910.39
  6. Step 6: Final answer
    x = 326,965.03

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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.