Home / 469,977.72-648,579.33-266,028.90

Finding the Fourth Proportional to 469,977.72, 648,579.33 and 266,028.90

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Solution

The fourth proportional to 469,977.72, 648,579.33 and 266,028.90 is: 367,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,977.72 : 648,579.33 = 266,028.90 : x
  2. Step 2: Convert to fraction form
    469,977.72/648,579.33 = 266,028.90/x
  3. Step 3: Cross multiply
    469,977.72x = 648,579.33 × 266,028.90
  4. Step 4: Simplify right side
    469,977.72x = 172,540,845,722.64
  5. Step 5: Solve for x
    x = 172,540,845,722.64/469,977.72
  6. Step 6: Final answer
    x = 367,125.59

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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.