Home / 841,195.76-1,261,722.56-272,564.82

Finding the Fourth Proportional to 841,195.76, 1,261,722.56 and 272,564.82

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Solution

The fourth proportional to 841,195.76, 1,261,722.56 and 272,564.82 is: 408,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,195.76 : 1,261,722.56 = 272,564.82 : x
  2. Step 2: Convert to fraction form
    841,195.76/1,261,722.56 = 272,564.82/x
  3. Step 3: Cross multiply
    841,195.76x = 1,261,722.56 × 272,564.82
  4. Step 4: Simplify right side
    841,195.76x = 343,901,181,093.52
  5. Step 5: Solve for x
    x = 343,901,181,093.52/841,195.76
  6. Step 6: Final answer
    x = 408,824.20

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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.