Home / 1,590,736.38-2,195,197.75-865,571.60

Finding the Fourth Proportional to 1,590,736.38, 2,195,197.75 and 865,571.60

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Solution

The fourth proportional to 1,590,736.38, 2,195,197.75 and 865,571.60 is: 1,194,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,736.38 : 2,195,197.75 = 865,571.60 : x
  2. Step 2: Convert to fraction form
    1,590,736.38/2,195,197.75 = 865,571.60/x
  3. Step 3: Cross multiply
    1,590,736.38x = 2,195,197.75 × 865,571.60
  4. Step 4: Simplify right side
    1,590,736.38x = 1,900,100,824,456.04
  5. Step 5: Solve for x
    x = 1,900,100,824,456.04/1,590,736.38
  6. Step 6: Final answer
    x = 1,194,478.77

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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.