Home / 384,003.56-529,937.64-209,583.28

Finding the Fourth Proportional to 384,003.56, 529,937.64 and 209,583.28

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Solution

The fourth proportional to 384,003.56, 529,937.64 and 209,583.28 is: 289,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,003.56 : 529,937.64 = 209,583.28 : x
  2. Step 2: Convert to fraction form
    384,003.56/529,937.64 = 209,583.28/x
  3. Step 3: Cross multiply
    384,003.56x = 529,937.64 × 209,583.28
  4. Step 4: Simplify right side
    384,003.56x = 111,066,068,786.66
  5. Step 5: Solve for x
    x = 111,066,068,786.66/384,003.56
  6. Step 6: Final answer
    x = 289,231.87

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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.