Home / 382,623.20-573,934.80-214,661.60

Finding the Fourth Proportional to 382,623.20, 573,934.80 and 214,661.60

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Solution

The fourth proportional to 382,623.20, 573,934.80 and 214,661.60 is: 321,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,623.20 : 573,934.80 = 214,661.60 : x
  2. Step 2: Convert to fraction form
    382,623.20/573,934.80 = 214,661.60/x
  3. Step 3: Cross multiply
    382,623.20x = 573,934.80 × 214,661.60
  4. Step 4: Simplify right side
    382,623.20x = 123,201,762,463.68
  5. Step 5: Solve for x
    x = 123,201,762,463.68/382,623.20
  6. Step 6: Final answer
    x = 321,992.40

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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.