Home / 952,436.40-1,427,488.20-419,391.60

Finding the Fourth Proportional to 952,436.40, 1,427,488.20 and 419,391.60

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Solution

The fourth proportional to 952,436.40, 1,427,488.20 and 419,391.60 is: 628,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,436.40 : 1,427,488.20 = 419,391.60 : x
  2. Step 2: Convert to fraction form
    952,436.40/1,427,488.20 = 419,391.60/x
  3. Step 3: Cross multiply
    952,436.40x = 1,427,488.20 × 419,391.60
  4. Step 4: Simplify right side
    952,436.40x = 598,676,560,179.12
  5. Step 5: Solve for x
    x = 598,676,560,179.12/952,436.40
  6. Step 6: Final answer
    x = 628,573.79

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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.