Home / 470,577.05-649,383.23-255,709.97

Finding the Fourth Proportional to 470,577.05, 649,383.23 and 255,709.97

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Solution

The fourth proportional to 470,577.05, 649,383.23 and 255,709.97 is: 352,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,577.05 : 649,383.23 = 255,709.97 : x
  2. Step 2: Convert to fraction form
    470,577.05/649,383.23 = 255,709.97/x
  3. Step 3: Cross multiply
    470,577.05x = 649,383.23 × 255,709.97
  4. Step 4: Simplify right side
    470,577.05x = 166,053,761,736.34
  5. Step 5: Solve for x
    x = 166,053,761,736.34/470,577.05
  6. Step 6: Final answer
    x = 352,872.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.