Home / 414,392.36-621,883.58-189,612.50

Finding the Fourth Proportional to 414,392.36, 621,883.58 and 189,612.50

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Solution

The fourth proportional to 414,392.36, 621,883.58 and 189,612.50 is: 284,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,392.36 : 621,883.58 = 189,612.50 : x
  2. Step 2: Convert to fraction form
    414,392.36/621,883.58 = 189,612.50/x
  3. Step 3: Cross multiply
    414,392.36x = 621,883.58 × 189,612.50
  4. Step 4: Simplify right side
    414,392.36x = 117,916,896,255.27
  5. Step 5: Solve for x
    x = 117,916,896,255.27/414,392.36
  6. Step 6: Final answer
    x = 284,553.74

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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.