Home / 999,674.48-1,379,546.64-540,787.97

Finding the Fourth Proportional to 999,674.48, 1,379,546.64 and 540,787.97

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Solution

The fourth proportional to 999,674.48, 1,379,546.64 and 540,787.97 is: 746,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,674.48 : 1,379,546.64 = 540,787.97 : x
  2. Step 2: Convert to fraction form
    999,674.48/1,379,546.64 = 540,787.97/x
  3. Step 3: Cross multiply
    999,674.48x = 1,379,546.64 × 540,787.97
  4. Step 4: Simplify right side
    999,674.48x = 746,042,230,414.79
  5. Step 5: Solve for x
    x = 746,042,230,414.79/999,674.48
  6. Step 6: Final answer
    x = 746,285.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.