Home / 653,185.83-979,782.20-203,869.07

Finding the Fourth Proportional to 653,185.83, 979,782.20 and 203,869.07

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Solution

The fourth proportional to 653,185.83, 979,782.20 and 203,869.07 is: 305,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,185.83 : 979,782.20 = 203,869.07 : x
  2. Step 2: Convert to fraction form
    653,185.83/979,782.20 = 203,869.07/x
  3. Step 3: Cross multiply
    653,185.83x = 979,782.20 × 203,869.07
  4. Step 4: Simplify right side
    653,185.83x = 199,747,279,998.30
  5. Step 5: Solve for x
    x = 199,747,279,998.30/653,185.83
  6. Step 6: Final answer
    x = 305,804.67

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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.