Home / 1,147,905.10-1,721,886-548,929.54

Finding the Fourth Proportional to 1,147,905.10, 1,721,886 and 548,929.54

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Solution

The fourth proportional to 1,147,905.10, 1,721,886 and 548,929.54 is: 823,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,905.10 : 1,721,886 = 548,929.54 : x
  2. Step 2: Convert to fraction form
    1,147,905.10/1,721,886 = 548,929.54/x
  3. Step 3: Cross multiply
    1,147,905.10x = 1,721,886 × 548,929.54
  4. Step 4: Simplify right side
    1,147,905.10x = 945,194,089,912.44
  5. Step 5: Solve for x
    x = 945,194,089,912.44/1,147,905.10
  6. Step 6: Final answer
    x = 823,407.87

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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.