Home / 497,719.80-746,579.70-338,052.60

Finding the Fourth Proportional to 497,719.80, 746,579.70 and 338,052.60

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Solution

The fourth proportional to 497,719.80, 746,579.70 and 338,052.60 is: 507,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,719.80 : 746,579.70 = 338,052.60 : x
  2. Step 2: Convert to fraction form
    497,719.80/746,579.70 = 338,052.60/x
  3. Step 3: Cross multiply
    497,719.80x = 746,579.70 × 338,052.60
  4. Step 4: Simplify right side
    497,719.80x = 252,383,208,692.22
  5. Step 5: Solve for x
    x = 252,383,208,692.22/497,719.80
  6. Step 6: Final answer
    x = 507,078.90

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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.