Home / 756,087.78-1,043,400.57-416,556.03

Finding the Fourth Proportional to 756,087.78, 1,043,400.57 and 416,556.03

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Solution

The fourth proportional to 756,087.78, 1,043,400.57 and 416,556.03 is: 574,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,087.78 : 1,043,400.57 = 416,556.03 : x
  2. Step 2: Convert to fraction form
    756,087.78/1,043,400.57 = 416,556.03/x
  3. Step 3: Cross multiply
    756,087.78x = 1,043,400.57 × 416,556.03
  4. Step 4: Simplify right side
    756,087.78x = 434,634,799,138.94
  5. Step 5: Solve for x
    x = 434,634,799,138.94/756,087.78
  6. Step 6: Final answer
    x = 574,847.01

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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.