Home / 436,231.40-654,347.10-404,738.60

Finding the Fourth Proportional to 436,231.40, 654,347.10 and 404,738.60

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Solution

The fourth proportional to 436,231.40, 654,347.10 and 404,738.60 is: 607,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,231.40 : 654,347.10 = 404,738.60 : x
  2. Step 2: Convert to fraction form
    436,231.40/654,347.10 = 404,738.60/x
  3. Step 3: Cross multiply
    436,231.40x = 654,347.10 × 404,738.60
  4. Step 4: Simplify right side
    436,231.40x = 264,839,529,168.06
  5. Step 5: Solve for x
    x = 264,839,529,168.06/436,231.40
  6. Step 6: Final answer
    x = 607,107.90

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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.