Home / 841,961.39-1,263,255.75-505,243.58

Finding the Fourth Proportional to 841,961.39, 1,263,255.75 and 505,243.58

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Solution

The fourth proportional to 841,961.39, 1,263,255.75 and 505,243.58 is: 758,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,961.39 : 1,263,255.75 = 505,243.58 : x
  2. Step 2: Convert to fraction form
    841,961.39/1,263,255.75 = 505,243.58/x
  3. Step 3: Cross multiply
    841,961.39x = 1,263,255.75 × 505,243.58
  4. Step 4: Simplify right side
    841,961.39x = 638,251,851,269.31
  5. Step 5: Solve for x
    x = 638,251,851,269.31/841,961.39
  6. Step 6: Final answer
    x = 758,053.59

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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.