Home / 1,285,935.16-1,775,049.78-877,744.84

Finding the Fourth Proportional to 1,285,935.16, 1,775,049.78 and 877,744.84

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Solution

The fourth proportional to 1,285,935.16, 1,775,049.78 and 877,744.84 is: 1,211,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,935.16 : 1,775,049.78 = 877,744.84 : x
  2. Step 2: Convert to fraction form
    1,285,935.16/1,775,049.78 = 877,744.84/x
  3. Step 3: Cross multiply
    1,285,935.16x = 1,775,049.78 × 877,744.84
  4. Step 4: Simplify right side
    1,285,935.16x = 1,558,040,785,138.14
  5. Step 5: Solve for x
    x = 1,558,040,785,138.14/1,285,935.16
  6. Step 6: Final answer
    x = 1,211,601.36

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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.