Home / 621,006.18-857,079.27-349,096.44

Finding the Fourth Proportional to 621,006.18, 857,079.27 and 349,096.44

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Solution

The fourth proportional to 621,006.18, 857,079.27 and 349,096.44 is: 481,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,006.18 : 857,079.27 = 349,096.44 : x
  2. Step 2: Convert to fraction form
    621,006.18/857,079.27 = 349,096.44/x
  3. Step 3: Cross multiply
    621,006.18x = 857,079.27 × 349,096.44
  4. Step 4: Simplify right side
    621,006.18x = 299,203,321,954.80
  5. Step 5: Solve for x
    x = 299,203,321,954.80/621,006.18
  6. Step 6: Final answer
    x = 481,804.10

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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.