Home / 382,610.14-528,059.73-221,570.38

Finding the Fourth Proportional to 382,610.14, 528,059.73 and 221,570.38

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Solution

The fourth proportional to 382,610.14, 528,059.73 and 221,570.38 is: 305,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,610.14 : 528,059.73 = 221,570.38 : x
  2. Step 2: Convert to fraction form
    382,610.14/528,059.73 = 221,570.38/x
  3. Step 3: Cross multiply
    382,610.14x = 528,059.73 × 221,570.38
  4. Step 4: Simplify right side
    382,610.14x = 117,002,395,038.80
  5. Step 5: Solve for x
    x = 117,002,395,038.80/382,610.14
  6. Step 6: Final answer
    x = 305,800.56

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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.