Home / 1,271,065.83-1,906,664.33-324,444.75

Finding the Fourth Proportional to 1,271,065.83, 1,906,664.33 and 324,444.75

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Solution

The fourth proportional to 1,271,065.83, 1,906,664.33 and 324,444.75 is: 486,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,065.83 : 1,906,664.33 = 324,444.75 : x
  2. Step 2: Convert to fraction form
    1,271,065.83/1,906,664.33 = 324,444.75/x
  3. Step 3: Cross multiply
    1,271,065.83x = 1,906,664.33 × 324,444.75
  4. Step 4: Simplify right side
    1,271,065.83x = 618,607,231,880.77
  5. Step 5: Solve for x
    x = 618,607,231,880.77/1,271,065.83
  6. Step 6: Final answer
    x = 486,683.87

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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.