Home / 476,209.14-657,162.63-261,351.78

Finding the Fourth Proportional to 476,209.14, 657,162.63 and 261,351.78

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Solution

The fourth proportional to 476,209.14, 657,162.63 and 261,351.78 is: 360,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,209.14 : 657,162.63 = 261,351.78 : x
  2. Step 2: Convert to fraction form
    476,209.14/657,162.63 = 261,351.78/x
  3. Step 3: Cross multiply
    476,209.14x = 657,162.63 × 261,351.78
  4. Step 4: Simplify right side
    476,209.14x = 171,750,623,099.98
  5. Step 5: Solve for x
    x = 171,750,623,099.98/476,209.14
  6. Step 6: Final answer
    x = 360,662.17

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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.