Home / 482,619.78-723,834.63-162,740.52

Finding the Fourth Proportional to 482,619.78, 723,834.63 and 162,740.52

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Solution

The fourth proportional to 482,619.78, 723,834.63 and 162,740.52 is: 244,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,619.78 : 723,834.63 = 162,740.52 : x
  2. Step 2: Convert to fraction form
    482,619.78/723,834.63 = 162,740.52/x
  3. Step 3: Cross multiply
    482,619.78x = 723,834.63 × 162,740.52
  4. Step 4: Simplify right side
    482,619.78x = 117,797,224,080.21
  5. Step 5: Solve for x
    x = 117,797,224,080.21/482,619.78
  6. Step 6: Final answer
    x = 244,078.73

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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.