Home / 756,453.78-1,043,891.28-416,922.03

Finding the Fourth Proportional to 756,453.78, 1,043,891.28 and 416,922.03

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Solution

The fourth proportional to 756,453.78, 1,043,891.28 and 416,922.03 is: 575,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,453.78 : 1,043,891.28 = 416,922.03 : x
  2. Step 2: Convert to fraction form
    756,453.78/1,043,891.28 = 416,922.03/x
  3. Step 3: Cross multiply
    756,453.78x = 1,043,891.28 × 416,922.03
  4. Step 4: Simplify right side
    756,453.78x = 435,221,271,556.90
  5. Step 5: Solve for x
    x = 435,221,271,556.90/756,453.78
  6. Step 6: Final answer
    x = 575,344.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.