Home / 756,453.80-1,043,912.58-416,922.92

Finding the Fourth Proportional to 756,453.80, 1,043,912.58 and 416,922.92

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Solution

The fourth proportional to 756,453.80, 1,043,912.58 and 416,922.92 is: 575,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,453.80 : 1,043,912.58 = 416,922.92 : x
  2. Step 2: Convert to fraction form
    756,453.80/1,043,912.58 = 416,922.92/x
  3. Step 3: Cross multiply
    756,453.80x = 1,043,912.58 × 416,922.92
  4. Step 4: Simplify right side
    756,453.80x = 435,231,081,078.33
  5. Step 5: Solve for x
    x = 435,231,081,078.33/756,453.80
  6. Step 6: Final answer
    x = 575,357.12

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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.