Home / 757,893.81-1,043,238.76-660,926.59

Finding the Fourth Proportional to 757,893.81, 1,043,238.76 and 660,926.59

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Solution

The fourth proportional to 757,893.81, 1,043,238.76 and 660,926.59 is: 909,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,893.81 : 1,043,238.76 = 660,926.59 : x
  2. Step 2: Convert to fraction form
    757,893.81/1,043,238.76 = 660,926.59/x
  3. Step 3: Cross multiply
    757,893.81x = 1,043,238.76 × 660,926.59
  4. Step 4: Simplify right side
    757,893.81x = 689,504,231,942.22
  5. Step 5: Solve for x
    x = 689,504,231,942.22/757,893.81
  6. Step 6: Final answer
    x = 909,763.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.