Home / 470,531.97-705,401.10-204,091.78

Finding the Fourth Proportional to 470,531.97, 705,401.10 and 204,091.78

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Solution

The fourth proportional to 470,531.97, 705,401.10 and 204,091.78 is: 305,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,531.97 : 705,401.10 = 204,091.78 : x
  2. Step 2: Convert to fraction form
    470,531.97/705,401.10 = 204,091.78/x
  3. Step 3: Cross multiply
    470,531.97x = 705,401.10 × 204,091.78
  4. Step 4: Simplify right side
    470,531.97x = 143,966,566,112.96
  5. Step 5: Solve for x
    x = 143,966,566,112.96/470,531.97
  6. Step 6: Final answer
    x = 305,965.54

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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.