Home / 1,100,514.45-1,651,140.96-426,617.73

Finding the Fourth Proportional to 1,100,514.45, 1,651,140.96 and 426,617.73

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Solution

The fourth proportional to 1,100,514.45, 1,651,140.96 and 426,617.73 is: 640,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,514.45 : 1,651,140.96 = 426,617.73 : x
  2. Step 2: Convert to fraction form
    1,100,514.45/1,651,140.96 = 426,617.73/x
  3. Step 3: Cross multiply
    1,100,514.45x = 1,651,140.96 × 426,617.73
  4. Step 4: Simplify right side
    1,100,514.45x = 704,406,008,265.22
  5. Step 5: Solve for x
    x = 704,406,008,265.22/1,100,514.45
  6. Step 6: Final answer
    x = 640,069.75

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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.