Home / 841,452.57-1,261,243.89-641,112.44

Finding the Fourth Proportional to 841,452.57, 1,261,243.89 and 641,112.44

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Solution

The fourth proportional to 841,452.57, 1,261,243.89 and 641,112.44 is: 960,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,452.57 : 1,261,243.89 = 641,112.44 : x
  2. Step 2: Convert to fraction form
    841,452.57/1,261,243.89 = 641,112.44/x
  3. Step 3: Cross multiply
    841,452.57x = 1,261,243.89 × 641,112.44
  4. Step 4: Simplify right side
    841,452.57x = 808,599,141,446.77
  5. Step 5: Solve for x
    x = 808,599,141,446.77/841,452.57
  6. Step 6: Final answer
    x = 960,956.29

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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.