Home / 756,255.38-1,043,654.29-416,745.50

Finding the Fourth Proportional to 756,255.38, 1,043,654.29 and 416,745.50

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Solution

The fourth proportional to 756,255.38, 1,043,654.29 and 416,745.50 is: 575,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,255.38 : 1,043,654.29 = 416,745.50 : x
  2. Step 2: Convert to fraction form
    756,255.38/1,043,654.29 = 416,745.50/x
  3. Step 3: Cross multiply
    756,255.38x = 1,043,654.29 × 416,745.50
  4. Step 4: Simplify right side
    756,255.38x = 434,938,222,653.06
  5. Step 5: Solve for x
    x = 434,938,222,653.06/756,255.38
  6. Step 6: Final answer
    x = 575,120.83

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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.