Home / 543,826-815,821.74-277,441.04

Finding the Fourth Proportional to 543,826, 815,821.74 and 277,441.04

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Solution

The fourth proportional to 543,826, 815,821.74 and 277,441.04 is: 416,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,826 : 815,821.74 = 277,441.04 : x
  2. Step 2: Convert to fraction form
    543,826/815,821.74 = 277,441.04/x
  3. Step 3: Cross multiply
    543,826x = 815,821.74 × 277,441.04
  4. Step 4: Simplify right side
    543,826x = 226,342,432,000.21
  5. Step 5: Solve for x
    x = 226,342,432,000.21/543,826
  6. Step 6: Final answer
    x = 416,203.77

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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.