Home / 441,821.60-662,077.04-324,512.16

Finding the Fourth Proportional to 441,821.60, 662,077.04 and 324,512.16

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Solution

The fourth proportional to 441,821.60, 662,077.04 and 324,512.16 is: 486,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,821.60 : 662,077.04 = 324,512.16 : x
  2. Step 2: Convert to fraction form
    441,821.60/662,077.04 = 324,512.16/x
  3. Step 3: Cross multiply
    441,821.60x = 662,077.04 × 324,512.16
  4. Step 4: Simplify right side
    441,821.60x = 214,852,050,336.81
  5. Step 5: Solve for x
    x = 214,852,050,336.81/441,821.60
  6. Step 6: Final answer
    x = 486,286.89

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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.