Home / 574,005.45-861,336.23-219,274.05

Finding the Fourth Proportional to 574,005.45, 861,336.23 and 219,274.05

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Solution

The fourth proportional to 574,005.45, 861,336.23 and 219,274.05 is: 329,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,005.45 : 861,336.23 = 219,274.05 : x
  2. Step 2: Convert to fraction form
    574,005.45/861,336.23 = 219,274.05/x
  3. Step 3: Cross multiply
    574,005.45x = 861,336.23 × 219,274.05
  4. Step 4: Simplify right side
    574,005.45x = 188,868,682,467.46
  5. Step 5: Solve for x
    x = 188,868,682,467.46/574,005.45
  6. Step 6: Final answer
    x = 329,036.39

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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.