Home / 657,646.09-986,475.97-231,193.85

Finding the Fourth Proportional to 657,646.09, 986,475.97 and 231,193.85

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Solution

The fourth proportional to 657,646.09, 986,475.97 and 231,193.85 is: 346,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,646.09 : 986,475.97 = 231,193.85 : x
  2. Step 2: Convert to fraction form
    657,646.09/986,475.97 = 231,193.85/x
  3. Step 3: Cross multiply
    657,646.09x = 986,475.97 × 231,193.85
  4. Step 4: Simplify right side
    657,646.09x = 228,067,171,492.93
  5. Step 5: Solve for x
    x = 228,067,171,492.93/657,646.09
  6. Step 6: Final answer
    x = 346,793.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.