Home / 404,549.20-606,944.58-120,249.28

Finding the Fourth Proportional to 404,549.20, 606,944.58 and 120,249.28

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Solution

The fourth proportional to 404,549.20, 606,944.58 and 120,249.28 is: 180,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,549.20 : 606,944.58 = 120,249.28 : x
  2. Step 2: Convert to fraction form
    404,549.20/606,944.58 = 120,249.28/x
  3. Step 3: Cross multiply
    404,549.20x = 606,944.58 × 120,249.28
  4. Step 4: Simplify right side
    404,549.20x = 72,984,648,744.90
  5. Step 5: Solve for x
    x = 72,984,648,744.90/404,549.20
  6. Step 6: Final answer
    x = 180,409.82

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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.