Home / 404,621.43-606,738.21-191,211.67

Finding the Fourth Proportional to 404,621.43, 606,738.21 and 191,211.67

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Solution

The fourth proportional to 404,621.43, 606,738.21 and 191,211.67 is: 286,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,621.43 : 606,738.21 = 191,211.67 : x
  2. Step 2: Convert to fraction form
    404,621.43/606,738.21 = 191,211.67/x
  3. Step 3: Cross multiply
    404,621.43x = 606,738.21 × 191,211.67
  4. Step 4: Simplify right side
    404,621.43x = 116,015,426,386.91
  5. Step 5: Solve for x
    x = 116,015,426,386.91/404,621.43
  6. Step 6: Final answer
    x = 286,725.86

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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.