Home / 433,721.90-650,805.21-209,273.73

Finding the Fourth Proportional to 433,721.90, 650,805.21 and 209,273.73

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Solution

The fourth proportional to 433,721.90, 650,805.21 and 209,273.73 is: 314,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,721.90 : 650,805.21 = 209,273.73 : x
  2. Step 2: Convert to fraction form
    433,721.90/650,805.21 = 209,273.73/x
  3. Step 3: Cross multiply
    433,721.90x = 650,805.21 × 209,273.73
  4. Step 4: Simplify right side
    433,721.90x = 136,196,433,800.13
  5. Step 5: Solve for x
    x = 136,196,433,800.13/433,721.90
  6. Step 6: Final answer
    x = 314,017.89

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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.