Home / 325,228.12-487,842.24-214,394.20

Finding the Fourth Proportional to 325,228.12, 487,842.24 and 214,394.20

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Solution

The fourth proportional to 325,228.12, 487,842.24 and 214,394.20 is: 321,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,228.12 : 487,842.24 = 214,394.20 : x
  2. Step 2: Convert to fraction form
    325,228.12/487,842.24 = 214,394.20/x
  3. Step 3: Cross multiply
    325,228.12x = 487,842.24 × 214,394.20
  4. Step 4: Simplify right side
    325,228.12x = 104,590,546,771.01
  5. Step 5: Solve for x
    x = 104,590,546,771.01/325,228.12
  6. Step 6: Final answer
    x = 321,591.34

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1.5x scale

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.