Home / 722,637.40-1,082,789.70-603,664.60

Finding the Fourth Proportional to 722,637.40, 1,082,789.70 and 603,664.60

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Solution

The fourth proportional to 722,637.40, 1,082,789.70 and 603,664.60 is: 904,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,637.40 : 1,082,789.70 = 603,664.60 : x
  2. Step 2: Convert to fraction form
    722,637.40/1,082,789.70 = 603,664.60/x
  3. Step 3: Cross multiply
    722,637.40x = 1,082,789.70 × 603,664.60
  4. Step 4: Simplify right side
    722,637.40x = 653,641,811,134.62
  5. Step 5: Solve for x
    x = 653,641,811,134.62/722,637.40
  6. Step 6: Final answer
    x = 904,522.53

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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.