Home / 414,066.48-621,077.76-133,583.76

Finding the Fourth Proportional to 414,066.48, 621,077.76 and 133,583.76

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Solution

The fourth proportional to 414,066.48, 621,077.76 and 133,583.76 is: 200,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,066.48 : 621,077.76 = 133,583.76 : x
  2. Step 2: Convert to fraction form
    414,066.48/621,077.76 = 133,583.76/x
  3. Step 3: Cross multiply
    414,066.48x = 621,077.76 × 133,583.76
  4. Step 4: Simplify right side
    414,066.48x = 82,965,902,433.18
  5. Step 5: Solve for x
    x = 82,965,902,433.18/414,066.48
  6. Step 6: Final answer
    x = 200,368.56

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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.