Home / 397,780.41-596,579.49-113,465.55

Finding the Fourth Proportional to 397,780.41, 596,579.49 and 113,465.55

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Solution

The fourth proportional to 397,780.41, 596,579.49 and 113,465.55 is: 170,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,780.41 : 596,579.49 = 113,465.55 : x
  2. Step 2: Convert to fraction form
    397,780.41/596,579.49 = 113,465.55/x
  3. Step 3: Cross multiply
    397,780.41x = 596,579.49 × 113,465.55
  4. Step 4: Simplify right side
    397,780.41x = 67,691,219,951.57
  5. Step 5: Solve for x
    x = 67,691,219,951.57/397,780.41
  6. Step 6: Final answer
    x = 170,172.33

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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.