Home / 1,078,651.26-1,617,556.59-404,364.78

Finding the Fourth Proportional to 1,078,651.26, 1,617,556.59 and 404,364.78

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Solution

The fourth proportional to 1,078,651.26, 1,617,556.59 and 404,364.78 is: 606,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,651.26 : 1,617,556.59 = 404,364.78 : x
  2. Step 2: Convert to fraction form
    1,078,651.26/1,617,556.59 = 404,364.78/x
  3. Step 3: Cross multiply
    1,078,651.26x = 1,617,556.59 × 404,364.78
  4. Step 4: Simplify right side
    1,078,651.26x = 654,082,914,652.90
  5. Step 5: Solve for x
    x = 654,082,914,652.90/1,078,651.26
  6. Step 6: Final answer
    x = 606,389.61

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1.5x scale

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.