Home / 1,057,943.76-1,586,917.32-259,227.60

Finding the Fourth Proportional to 1,057,943.76, 1,586,917.32 and 259,227.60

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Solution

The fourth proportional to 1,057,943.76, 1,586,917.32 and 259,227.60 is: 388,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,943.76 : 1,586,917.32 = 259,227.60 : x
  2. Step 2: Convert to fraction form
    1,057,943.76/1,586,917.32 = 259,227.60/x
  3. Step 3: Cross multiply
    1,057,943.76x = 1,586,917.32 × 259,227.60
  4. Step 4: Simplify right side
    1,057,943.76x = 411,372,768,262.03
  5. Step 5: Solve for x
    x = 411,372,768,262.03/1,057,943.76
  6. Step 6: Final answer
    x = 388,841.81

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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.