Home / 999,554.79-1,379,563.20-591,882.96

Finding the Fourth Proportional to 999,554.79, 1,379,563.20 and 591,882.96

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Solution

The fourth proportional to 999,554.79, 1,379,563.20 and 591,882.96 is: 816,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,554.79 : 1,379,563.20 = 591,882.96 : x
  2. Step 2: Convert to fraction form
    999,554.79/1,379,563.20 = 591,882.96/x
  3. Step 3: Cross multiply
    999,554.79x = 1,379,563.20 × 591,882.96
  4. Step 4: Simplify right side
    999,554.79x = 816,539,950,323.07
  5. Step 5: Solve for x
    x = 816,539,950,323.07/999,554.79
  6. Step 6: Final answer
    x = 816,903.64

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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.