Home / 324,511.06-486,105.63-264,752.50

Finding the Fourth Proportional to 324,511.06, 486,105.63 and 264,752.50

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Solution

The fourth proportional to 324,511.06, 486,105.63 and 264,752.50 is: 396,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,511.06 : 486,105.63 = 264,752.50 : x
  2. Step 2: Convert to fraction form
    324,511.06/486,105.63 = 264,752.50/x
  3. Step 3: Cross multiply
    324,511.06x = 486,105.63 × 264,752.50
  4. Step 4: Simplify right side
    324,511.06x = 128,697,680,806.58
  5. Step 5: Solve for x
    x = 128,697,680,806.58/324,511.06
  6. Step 6: Final answer
    x = 396,589.51

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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.