Home / 1,263,767.63-1,895,651.44-422,319.38

Finding the Fourth Proportional to 1,263,767.63, 1,895,651.44 and 422,319.38

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Solution

The fourth proportional to 1,263,767.63, 1,895,651.44 and 422,319.38 is: 633,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,767.63 : 1,895,651.44 = 422,319.38 : x
  2. Step 2: Convert to fraction form
    1,263,767.63/1,895,651.44 = 422,319.38/x
  3. Step 3: Cross multiply
    1,263,767.63x = 1,895,651.44 × 422,319.38
  4. Step 4: Simplify right side
    1,263,767.63x = 800,570,330,302.85
  5. Step 5: Solve for x
    x = 800,570,330,302.85/1,263,767.63
  6. Step 6: Final answer
    x = 633,479.06

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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.