Home / 383,738.40-529,621.20-232,941.60

Finding the Fourth Proportional to 383,738.40, 529,621.20 and 232,941.60

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Solution

The fourth proportional to 383,738.40, 529,621.20 and 232,941.60 is: 321,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,738.40 : 529,621.20 = 232,941.60 : x
  2. Step 2: Convert to fraction form
    383,738.40/529,621.20 = 232,941.60/x
  3. Step 3: Cross multiply
    383,738.40x = 529,621.20 × 232,941.60
  4. Step 4: Simplify right side
    383,738.40x = 123,370,809,721.92
  5. Step 5: Solve for x
    x = 123,370,809,721.92/383,738.40
  6. Step 6: Final answer
    x = 321,497.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.