Home / 1,093,828.15-1,640,250.15-419,685.40

Finding the Fourth Proportional to 1,093,828.15, 1,640,250.15 and 419,685.40

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Solution

The fourth proportional to 1,093,828.15, 1,640,250.15 and 419,685.40 is: 629,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,828.15 : 1,640,250.15 = 419,685.40 : x
  2. Step 2: Convert to fraction form
    1,093,828.15/1,640,250.15 = 419,685.40/x
  3. Step 3: Cross multiply
    1,093,828.15x = 1,640,250.15 × 419,685.40
  4. Step 4: Simplify right side
    1,093,828.15x = 688,389,040,302.81
  5. Step 5: Solve for x
    x = 688,389,040,302.81/1,093,828.15
  6. Step 6: Final answer
    x = 629,339.30

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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.