Home / 1,093,499.79-1,640,083.32-419,898.32

Finding the Fourth Proportional to 1,093,499.79, 1,640,083.32 and 419,898.32

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Solution

The fourth proportional to 1,093,499.79, 1,640,083.32 and 419,898.32 is: 629,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,499.79 : 1,640,083.32 = 419,898.32 : x
  2. Step 2: Convert to fraction form
    1,093,499.79/1,640,083.32 = 419,898.32/x
  3. Step 3: Cross multiply
    1,093,499.79x = 1,640,083.32 × 419,898.32
  4. Step 4: Simplify right side
    1,093,499.79x = 688,668,230,728.02
  5. Step 5: Solve for x
    x = 688,668,230,728.02/1,093,499.79
  6. Step 6: Final answer
    x = 629,783.60

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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.