Home / 722,704.80-1,084,057.20-695,148.60

Finding the Fourth Proportional to 722,704.80, 1,084,057.20 and 695,148.60

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Solution

The fourth proportional to 722,704.80, 1,084,057.20 and 695,148.60 is: 1,042,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,704.80 : 1,084,057.20 = 695,148.60 : x
  2. Step 2: Convert to fraction form
    722,704.80/1,084,057.20 = 695,148.60/x
  3. Step 3: Cross multiply
    722,704.80x = 1,084,057.20 × 695,148.60
  4. Step 4: Simplify right side
    722,704.80x = 753,580,844,899.92
  5. Step 5: Solve for x
    x = 753,580,844,899.92/722,704.80
  6. Step 6: Final answer
    x = 1,042,722.90

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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.