Home / 1,385,400.15-2,078,100.23-936,336.15

Finding the Fourth Proportional to 1,385,400.15, 2,078,100.23 and 936,336.15

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Solution

The fourth proportional to 1,385,400.15, 2,078,100.23 and 936,336.15 is: 1,404,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,400.15 : 2,078,100.23 = 936,336.15 : x
  2. Step 2: Convert to fraction form
    1,385,400.15/2,078,100.23 = 936,336.15/x
  3. Step 3: Cross multiply
    1,385,400.15x = 2,078,100.23 × 936,336.15
  4. Step 4: Simplify right side
    1,385,400.15x = 1,945,800,363,990.63
  5. Step 5: Solve for x
    x = 1,945,800,363,990.63/1,385,400.15
  6. Step 6: Final answer
    x = 1,404,504.23

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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.