Home / 414,555.14-621,825.74-186,724.02

Finding the Fourth Proportional to 414,555.14, 621,825.74 and 186,724.02

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Solution

The fourth proportional to 414,555.14, 621,825.74 and 186,724.02 is: 280,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,555.14 : 621,825.74 = 186,724.02 : x
  2. Step 2: Convert to fraction form
    414,555.14/621,825.74 = 186,724.02/x
  3. Step 3: Cross multiply
    414,555.14x = 621,825.74 × 186,724.02
  4. Step 4: Simplify right side
    414,555.14x = 116,109,800,978.66
  5. Step 5: Solve for x
    x = 116,109,800,978.66/414,555.14
  6. Step 6: Final answer
    x = 280,082.89

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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.