Home / 414,226.64-621,333.72-186,361.34

Finding the Fourth Proportional to 414,226.64, 621,333.72 and 186,361.34

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Solution

The fourth proportional to 414,226.64, 621,333.72 and 186,361.34 is: 279,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,226.64 : 621,333.72 = 186,361.34 : x
  2. Step 2: Convert to fraction form
    414,226.64/621,333.72 = 186,361.34/x
  3. Step 3: Cross multiply
    414,226.64x = 621,333.72 × 186,361.34
  4. Step 4: Simplify right side
    414,226.64x = 115,792,582,501.01
  5. Step 5: Solve for x
    x = 115,792,582,501.01/414,226.64
  6. Step 6: Final answer
    x = 279,539.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.