Home / 383,359.26-529,039.35-211,283.36

Finding the Fourth Proportional to 383,359.26, 529,039.35 and 211,283.36

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Solution

The fourth proportional to 383,359.26, 529,039.35 and 211,283.36 is: 291,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,359.26 : 529,039.35 = 211,283.36 : x
  2. Step 2: Convert to fraction form
    383,359.26/529,039.35 = 211,283.36/x
  3. Step 3: Cross multiply
    383,359.26x = 529,039.35 × 211,283.36
  4. Step 4: Simplify right side
    383,359.26x = 111,777,211,440.22
  5. Step 5: Solve for x
    x = 111,777,211,440.22/383,359.26
  6. Step 6: Final answer
    x = 291,573.01

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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.