Home / 971,998.80-1,458,435.60-439,245.60

Finding the Fourth Proportional to 971,998.80, 1,458,435.60 and 439,245.60

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Solution

The fourth proportional to 971,998.80, 1,458,435.60 and 439,245.60 is: 659,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,998.80 : 1,458,435.60 = 439,245.60 : x
  2. Step 2: Convert to fraction form
    971,998.80/1,458,435.60 = 439,245.60/x
  3. Step 3: Cross multiply
    971,998.80x = 1,458,435.60 × 439,245.60
  4. Step 4: Simplify right side
    971,998.80x = 640,611,420,183.36
  5. Step 5: Solve for x
    x = 640,611,420,183.36/971,998.80
  6. Step 6: Final answer
    x = 659,066.06

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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.