Home / 461,058.09-690,666.97-223,680.57

Finding the Fourth Proportional to 461,058.09, 690,666.97 and 223,680.57

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Solution

The fourth proportional to 461,058.09, 690,666.97 and 223,680.57 is: 335,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,058.09 : 690,666.97 = 223,680.57 : x
  2. Step 2: Convert to fraction form
    461,058.09/690,666.97 = 223,680.57/x
  3. Step 3: Cross multiply
    461,058.09x = 690,666.97 × 223,680.57
  4. Step 4: Simplify right side
    461,058.09x = 154,488,781,529.77
  5. Step 5: Solve for x
    x = 154,488,781,529.77/461,058.09
  6. Step 6: Final answer
    x = 335,074.44

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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.