Home / 1,264,861.45-1,897,425.05-411,999.56

Finding the Fourth Proportional to 1,264,861.45, 1,897,425.05 and 411,999.56

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Solution

The fourth proportional to 1,264,861.45, 1,897,425.05 and 411,999.56 is: 618,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,861.45 : 1,897,425.05 = 411,999.56 : x
  2. Step 2: Convert to fraction form
    1,264,861.45/1,897,425.05 = 411,999.56/x
  3. Step 3: Cross multiply
    1,264,861.45x = 1,897,425.05 × 411,999.56
  4. Step 4: Simplify right side
    1,264,861.45x = 781,738,274,185.86
  5. Step 5: Solve for x
    x = 781,738,274,185.86/1,264,861.45
  6. Step 6: Final answer
    x = 618,042.61

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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.