Home / 447,912.12-618,118.71-246,708.12

Finding the Fourth Proportional to 447,912.12, 618,118.71 and 246,708.12

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Solution

The fourth proportional to 447,912.12, 618,118.71 and 246,708.12 is: 340,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,912.12 : 618,118.71 = 246,708.12 : x
  2. Step 2: Convert to fraction form
    447,912.12/618,118.71 = 246,708.12/x
  3. Step 3: Cross multiply
    447,912.12x = 618,118.71 × 246,708.12
  4. Step 4: Simplify right side
    447,912.12x = 152,494,904,880.93
  5. Step 5: Solve for x
    x = 152,494,904,880.93/447,912.12
  6. Step 6: Final answer
    x = 340,457.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.