Home / 383,864.58-529,838.55-222,771.51

Finding the Fourth Proportional to 383,864.58, 529,838.55 and 222,771.51

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Solution

The fourth proportional to 383,864.58, 529,838.55 and 222,771.51 is: 307,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,864.58 : 529,838.55 = 222,771.51 : x
  2. Step 2: Convert to fraction form
    383,864.58/529,838.55 = 222,771.51/x
  3. Step 3: Cross multiply
    383,864.58x = 529,838.55 × 222,771.51
  4. Step 4: Simplify right side
    383,864.58x = 118,032,933,839.71
  5. Step 5: Solve for x
    x = 118,032,933,839.71/383,864.58
  6. Step 6: Final answer
    x = 307,485.87

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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.