Home / 414,385.99-621,579.00-274,111.81

Finding the Fourth Proportional to 414,385.99, 621,579.00 and 274,111.81

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Solution

The fourth proportional to 414,385.99, 621,579.00 and 274,111.81 is: 411,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,385.99 : 621,579.00 = 274,111.81 : x
  2. Step 2: Convert to fraction form
    414,385.99/621,579.00 = 274,111.81/x
  3. Step 3: Cross multiply
    414,385.99x = 621,579.00 × 274,111.81
  4. Step 4: Simplify right side
    414,385.99x = 170,382,146,176.47
  5. Step 5: Solve for x
    x = 170,382,146,176.47/414,385.99
  6. Step 6: Final answer
    x = 411,167.73

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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.