Home / 907,934.80-1,361,902.20-276,847.60

Finding the Fourth Proportional to 907,934.80, 1,361,902.20 and 276,847.60

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Solution

The fourth proportional to 907,934.80, 1,361,902.20 and 276,847.60 is: 415,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,934.80 : 1,361,902.20 = 276,847.60 : x
  2. Step 2: Convert to fraction form
    907,934.80/1,361,902.20 = 276,847.60/x
  3. Step 3: Cross multiply
    907,934.80x = 1,361,902.20 × 276,847.60
  4. Step 4: Simplify right side
    907,934.80x = 377,039,355,504.72
  5. Step 5: Solve for x
    x = 377,039,355,504.72/907,934.80
  6. Step 6: Final answer
    x = 415,271.40

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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.