Home / 414,599.83-621,944.19-115,081.67

Finding the Fourth Proportional to 414,599.83, 621,944.19 and 115,081.67

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Solution

The fourth proportional to 414,599.83, 621,944.19 and 115,081.67 is: 172,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,599.83 : 621,944.19 = 115,081.67 : x
  2. Step 2: Convert to fraction form
    414,599.83/621,944.19 = 115,081.67/x
  3. Step 3: Cross multiply
    414,599.83x = 621,944.19 × 115,081.67
  4. Step 4: Simplify right side
    414,599.83x = 71,574,377,586.86
  5. Step 5: Solve for x
    x = 71,574,377,586.86/414,599.83
  6. Step 6: Final answer
    x = 172,634.85

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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.