Home / 383,935.32-529,740.54-233,003.16

Finding the Fourth Proportional to 383,935.32, 529,740.54 and 233,003.16

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Solution

The fourth proportional to 383,935.32, 529,740.54 and 233,003.16 is: 321,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,935.32 : 529,740.54 = 233,003.16 : x
  2. Step 2: Convert to fraction form
    383,935.32/529,740.54 = 233,003.16/x
  3. Step 3: Cross multiply
    383,935.32x = 529,740.54 × 233,003.16
  4. Step 4: Simplify right side
    383,935.32x = 123,431,219,800.11
  5. Step 5: Solve for x
    x = 123,431,219,800.11/383,935.32
  6. Step 6: Final answer
    x = 321,489.62

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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.