Home / 414,453.48-621,343.44-186,581.75

Finding the Fourth Proportional to 414,453.48, 621,343.44 and 186,581.75

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Solution

The fourth proportional to 414,453.48, 621,343.44 and 186,581.75 is: 279,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,453.48 : 621,343.44 = 186,581.75 : x
  2. Step 2: Convert to fraction form
    414,453.48/621,343.44 = 186,581.75/x
  3. Step 3: Cross multiply
    414,453.48x = 621,343.44 × 186,581.75
  4. Step 4: Simplify right side
    414,453.48x = 115,931,343,279.50
  5. Step 5: Solve for x
    x = 115,931,343,279.50/414,453.48
  6. Step 6: Final answer
    x = 279,721.01

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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.