Home / 414,601.21-621,946.26-115,083.06

Finding the Fourth Proportional to 414,601.21, 621,946.26 and 115,083.06

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Solution

The fourth proportional to 414,601.21, 621,946.26 and 115,083.06 is: 172,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,601.21 : 621,946.26 = 115,083.06 : x
  2. Step 2: Convert to fraction form
    414,601.21/621,946.26 = 115,083.06/x
  3. Step 3: Cross multiply
    414,601.21x = 621,946.26 × 115,083.06
  4. Step 4: Simplify right side
    414,601.21x = 71,575,478,756.36
  5. Step 5: Solve for x
    x = 71,575,478,756.36/414,601.21
  6. Step 6: Final answer
    x = 172,636.93

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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.