Home / 921,040.09-1,261,829.31-886,523.76

Finding the Fourth Proportional to 921,040.09, 1,261,829.31 and 886,523.76

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Solution

The fourth proportional to 921,040.09, 1,261,829.31 and 886,523.76 is: 1,214,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,040.09 : 1,261,829.31 = 886,523.76 : x
  2. Step 2: Convert to fraction form
    921,040.09/1,261,829.31 = 886,523.76/x
  3. Step 3: Cross multiply
    921,040.09x = 1,261,829.31 × 886,523.76
  4. Step 4: Simplify right side
    921,040.09x = 1,118,641,664,379.41
  5. Step 5: Solve for x
    x = 1,118,641,664,379.41/921,040.09
  6. Step 6: Final answer
    x = 1,214,541.77

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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.