Home / 775,902.92-1,163,855.01-370,999.86

Finding the Fourth Proportional to 775,902.92, 1,163,855.01 and 370,999.86

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Solution

The fourth proportional to 775,902.92, 1,163,855.01 and 370,999.86 is: 556,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,902.92 : 1,163,855.01 = 370,999.86 : x
  2. Step 2: Convert to fraction form
    775,902.92/1,163,855.01 = 370,999.86/x
  3. Step 3: Cross multiply
    775,902.92x = 1,163,855.01 × 370,999.86
  4. Step 4: Simplify right side
    775,902.92x = 431,790,041,978.75
  5. Step 5: Solve for x
    x = 431,790,041,978.75/775,902.92
  6. Step 6: Final answer
    x = 556,500.09

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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.