Home / 1,972,912.64-2,959,500.20-693,365.36

Finding the Fourth Proportional to 1,972,912.64, 2,959,500.20 and 693,365.36

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Solution

The fourth proportional to 1,972,912.64, 2,959,500.20 and 693,365.36 is: 1,040,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,912.64 : 2,959,500.20 = 693,365.36 : x
  2. Step 2: Convert to fraction form
    1,972,912.64/2,959,500.20 = 693,365.36/x
  3. Step 3: Cross multiply
    1,972,912.64x = 2,959,500.20 × 693,365.36
  4. Step 4: Simplify right side
    1,972,912.64x = 2,052,014,921,593.07
  5. Step 5: Solve for x
    x = 2,052,014,921,593.07/1,972,912.64
  6. Step 6: Final answer
    x = 1,040,094.16

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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.