Home / 297,786.78-446,697.19-84,538.01

Finding the Fourth Proportional to 297,786.78, 446,697.19 and 84,538.01

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Solution

The fourth proportional to 297,786.78, 446,697.19 and 84,538.01 is: 126,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,786.78 : 446,697.19 = 84,538.01 : x
  2. Step 2: Convert to fraction form
    297,786.78/446,697.19 = 84,538.01/x
  3. Step 3: Cross multiply
    297,786.78x = 446,697.19 × 84,538.01
  4. Step 4: Simplify right side
    297,786.78x = 37,762,890,187.10
  5. Step 5: Solve for x
    x = 37,762,890,187.10/297,786.78
  6. Step 6: Final answer
    x = 126,811.84

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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.