Home / 383,864.20-575,796.30-117,622.60

Finding the Fourth Proportional to 383,864.20, 575,796.30 and 117,622.60

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Solution

The fourth proportional to 383,864.20, 575,796.30 and 117,622.60 is: 176,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,864.20 : 575,796.30 = 117,622.60 : x
  2. Step 2: Convert to fraction form
    383,864.20/575,796.30 = 117,622.60/x
  3. Step 3: Cross multiply
    383,864.20x = 575,796.30 × 117,622.60
  4. Step 4: Simplify right side
    383,864.20x = 67,726,657,876.38
  5. Step 5: Solve for x
    x = 67,726,657,876.38/383,864.20
  6. Step 6: Final answer
    x = 176,433.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.