Home / 1,968,505.62-2,953,076.46-831,438.75

Finding the Fourth Proportional to 1,968,505.62, 2,953,076.46 and 831,438.75

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Solution

The fourth proportional to 1,968,505.62, 2,953,076.46 and 831,438.75 is: 1,247,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,505.62 : 2,953,076.46 = 831,438.75 : x
  2. Step 2: Convert to fraction form
    1,968,505.62/2,953,076.46 = 831,438.75/x
  3. Step 3: Cross multiply
    1,968,505.62x = 2,953,076.46 × 831,438.75
  4. Step 4: Simplify right side
    1,968,505.62x = 2,455,302,200,556.83
  5. Step 5: Solve for x
    x = 2,455,302,200,556.83/1,968,505.62
  6. Step 6: Final answer
    x = 1,247,292.45

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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.