Home / 622,158.21-932,286.60-419,003.10

Finding the Fourth Proportional to 622,158.21, 932,286.60 and 419,003.10

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Solution

The fourth proportional to 622,158.21, 932,286.60 and 419,003.10 is: 627,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,158.21 : 932,286.60 = 419,003.10 : x
  2. Step 2: Convert to fraction form
    622,158.21/932,286.60 = 419,003.10/x
  3. Step 3: Cross multiply
    622,158.21x = 932,286.60 × 419,003.10
  4. Step 4: Simplify right side
    622,158.21x = 390,630,975,488.46
  5. Step 5: Solve for x
    x = 390,630,975,488.46/622,158.21
  6. Step 6: Final answer
    x = 627,864.37

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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.