Home / 450,662.26-621,913.87-246,712.55

Finding the Fourth Proportional to 450,662.26, 621,913.87 and 246,712.55

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Solution

The fourth proportional to 450,662.26, 621,913.87 and 246,712.55 is: 340,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,662.26 : 621,913.87 = 246,712.55 : x
  2. Step 2: Convert to fraction form
    450,662.26/621,913.87 = 246,712.55/x
  3. Step 3: Cross multiply
    450,662.26x = 621,913.87 × 246,712.55
  4. Step 4: Simplify right side
    450,662.26x = 153,433,953,021.72
  5. Step 5: Solve for x
    x = 153,433,953,021.72/450,662.26
  6. Step 6: Final answer
    x = 340,463.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.