Home / 377,834.03-521,371.26-214,438.58

Finding the Fourth Proportional to 377,834.03, 521,371.26 and 214,438.58

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Solution

The fourth proportional to 377,834.03, 521,371.26 and 214,438.58 is: 295,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,834.03 : 521,371.26 = 214,438.58 : x
  2. Step 2: Convert to fraction form
    377,834.03/521,371.26 = 214,438.58/x
  3. Step 3: Cross multiply
    377,834.03x = 521,371.26 × 214,438.58
  4. Step 4: Simplify right side
    377,834.03x = 111,802,110,040.36
  5. Step 5: Solve for x
    x = 111,802,110,040.36/377,834.03
  6. Step 6: Final answer
    x = 295,902.70

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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.