Home / 921,039.09-1,261,827.94-886,522.76

Finding the Fourth Proportional to 921,039.09, 1,261,827.94 and 886,522.76

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Solution

The fourth proportional to 921,039.09, 1,261,827.94 and 886,522.76 is: 1,214,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,039.09 : 1,261,827.94 = 886,522.76 : x
  2. Step 2: Convert to fraction form
    921,039.09/1,261,827.94 = 886,522.76/x
  3. Step 3: Cross multiply
    921,039.09x = 1,261,827.94 × 886,522.76
  4. Step 4: Simplify right side
    921,039.09x = 1,118,639,188,013.91
  5. Step 5: Solve for x
    x = 1,118,639,188,013.91/921,039.09
  6. Step 6: Final answer
    x = 1,214,540.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.