Home / 377,821.26-521,256.39-214,383.12

Finding the Fourth Proportional to 377,821.26, 521,256.39 and 214,383.12

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Solution

The fourth proportional to 377,821.26, 521,256.39 and 214,383.12 is: 295,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,821.26 : 521,256.39 = 214,383.12 : x
  2. Step 2: Convert to fraction form
    377,821.26/521,256.39 = 214,383.12/x
  3. Step 3: Cross multiply
    377,821.26x = 521,256.39 × 214,383.12
  4. Step 4: Simplify right side
    377,821.26x = 111,748,571,208.14
  5. Step 5: Solve for x
    x = 111,748,571,208.14/377,821.26
  6. Step 6: Final answer
    x = 295,771.00

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1.5x scale

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.