Home / 477,921.82-659,507.01-263,020.81

Finding the Fourth Proportional to 477,921.82, 659,507.01 and 263,020.81

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Solution

The fourth proportional to 477,921.82, 659,507.01 and 263,020.81 is: 362,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,921.82 : 659,507.01 = 263,020.81 : x
  2. Step 2: Convert to fraction form
    477,921.82/659,507.01 = 263,020.81/x
  3. Step 3: Cross multiply
    477,921.82x = 659,507.01 × 263,020.81
  4. Step 4: Simplify right side
    477,921.82x = 173,464,064,673.34
  5. Step 5: Solve for x
    x = 173,464,064,673.34/477,921.82
  6. Step 6: Final answer
    x = 362,954.90

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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.