Home / 324,716.20-487,074.30-245,984.20

Finding the Fourth Proportional to 324,716.20, 487,074.30 and 245,984.20

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Solution

The fourth proportional to 324,716.20, 487,074.30 and 245,984.20 is: 368,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,716.20 : 487,074.30 = 245,984.20 : x
  2. Step 2: Convert to fraction form
    324,716.20/487,074.30 = 245,984.20/x
  3. Step 3: Cross multiply
    324,716.20x = 487,074.30 × 245,984.20
  4. Step 4: Simplify right side
    324,716.20x = 119,812,582,026.06
  5. Step 5: Solve for x
    x = 119,812,582,026.06/324,716.20
  6. Step 6: Final answer
    x = 368,976.30

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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.