Home / 380,783.18-525,311.68-244,791.88

Finding the Fourth Proportional to 380,783.18, 525,311.68 and 244,791.88

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Solution

The fourth proportional to 380,783.18, 525,311.68 and 244,791.88 is: 337,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,783.18 : 525,311.68 = 244,791.88 : x
  2. Step 2: Convert to fraction form
    380,783.18/525,311.68 = 244,791.88/x
  3. Step 3: Cross multiply
    380,783.18x = 525,311.68 × 244,791.88
  4. Step 4: Simplify right side
    380,783.18x = 128,592,033,733.16
  5. Step 5: Solve for x
    x = 128,592,033,733.16/380,783.18
  6. Step 6: Final answer
    x = 337,704.08

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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.