Home / 383,703.36-529,844.94-240,709.20

Finding the Fourth Proportional to 383,703.36, 529,844.94 and 240,709.20

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Solution

The fourth proportional to 383,703.36, 529,844.94 and 240,709.20 is: 332,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,703.36 : 529,844.94 = 240,709.20 : x
  2. Step 2: Convert to fraction form
    383,703.36/529,844.94 = 240,709.20/x
  3. Step 3: Cross multiply
    383,703.36x = 529,844.94 × 240,709.20
  4. Step 4: Simplify right side
    383,703.36x = 127,538,551,631.45
  5. Step 5: Solve for x
    x = 127,538,551,631.45/383,703.36
  6. Step 6: Final answer
    x = 332,388.41

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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.