Home / 579,414.13-869,506.83-238,137.43

Finding the Fourth Proportional to 579,414.13, 869,506.83 and 238,137.43

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Solution

The fourth proportional to 579,414.13, 869,506.83 and 238,137.43 is: 357,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,414.13 : 869,506.83 = 238,137.43 : x
  2. Step 2: Convert to fraction form
    579,414.13/869,506.83 = 238,137.43/x
  3. Step 3: Cross multiply
    579,414.13x = 869,506.83 × 238,137.43
  4. Step 4: Simplify right side
    579,414.13x = 207,062,116,920.77
  5. Step 5: Solve for x
    x = 207,062,116,920.77/579,414.13
  6. Step 6: Final answer
    x = 357,364.63

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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.