Home / 722,634.40-1,082,785.20-603,661.60

Finding the Fourth Proportional to 722,634.40, 1,082,785.20 and 603,661.60

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Solution

The fourth proportional to 722,634.40, 1,082,785.20 and 603,661.60 is: 904,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,634.40 : 1,082,785.20 = 603,661.60 : x
  2. Step 2: Convert to fraction form
    722,634.40/1,082,785.20 = 603,661.60/x
  3. Step 3: Cross multiply
    722,634.40x = 1,082,785.20 × 603,661.60
  4. Step 4: Simplify right side
    722,634.40x = 653,635,846,288.32
  5. Step 5: Solve for x
    x = 653,635,846,288.32/722,634.40
  6. Step 6: Final answer
    x = 904,518.03

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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.