Home / 414,490.86-621,736.23-114,971.45

Finding the Fourth Proportional to 414,490.86, 621,736.23 and 114,971.45

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Solution

The fourth proportional to 414,490.86, 621,736.23 and 114,971.45 is: 172,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,490.86 : 621,736.23 = 114,971.45 : x
  2. Step 2: Convert to fraction form
    414,490.86/621,736.23 = 114,971.45/x
  3. Step 3: Cross multiply
    414,490.86x = 621,736.23 × 114,971.45
  4. Step 4: Simplify right side
    414,490.86x = 71,481,912,771.95
  5. Step 5: Solve for x
    x = 71,481,912,771.95/414,490.86
  6. Step 6: Final answer
    x = 172,457.15

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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.