Home / 839,936.60-1,259,904.90-603,740.60

Finding the Fourth Proportional to 839,936.60, 1,259,904.90 and 603,740.60

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Solution

The fourth proportional to 839,936.60, 1,259,904.90 and 603,740.60 is: 905,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,936.60 : 1,259,904.90 = 603,740.60 : x
  2. Step 2: Convert to fraction form
    839,936.60/1,259,904.90 = 603,740.60/x
  3. Step 3: Cross multiply
    839,936.60x = 1,259,904.90 × 603,740.60
  4. Step 4: Simplify right side
    839,936.60x = 760,655,740,268.94
  5. Step 5: Solve for x
    x = 760,655,740,268.94/839,936.60
  6. Step 6: Final answer
    x = 905,610.90

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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.