Home / 773,636.82-1,160,400.45-205,005.33

Finding the Fourth Proportional to 773,636.82, 1,160,400.45 and 205,005.33

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Solution

The fourth proportional to 773,636.82, 1,160,400.45 and 205,005.33 is: 307,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,636.82 : 1,160,400.45 = 205,005.33 : x
  2. Step 2: Convert to fraction form
    773,636.82/1,160,400.45 = 205,005.33/x
  3. Step 3: Cross multiply
    773,636.82x = 1,160,400.45 × 205,005.33
  4. Step 4: Simplify right side
    773,636.82x = 237,888,277,184.40
  5. Step 5: Solve for x
    x = 237,888,277,184.40/773,636.82
  6. Step 6: Final answer
    x = 307,493.48

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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.