Home / 473,067.23-653,042.72-320,327.15

Finding the Fourth Proportional to 473,067.23, 653,042.72 and 320,327.15

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Solution

The fourth proportional to 473,067.23, 653,042.72 and 320,327.15 is: 442,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,067.23 : 653,042.72 = 320,327.15 : x
  2. Step 2: Convert to fraction form
    473,067.23/653,042.72 = 320,327.15/x
  3. Step 3: Cross multiply
    473,067.23x = 653,042.72 × 320,327.15
  4. Step 4: Simplify right side
    473,067.23x = 209,187,310,861.45
  5. Step 5: Solve for x
    x = 209,187,310,861.45/473,067.23
  6. Step 6: Final answer
    x = 442,193.62

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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.