Home / 855,782.44-1,181,235.78-553,996.84

Finding the Fourth Proportional to 855,782.44, 1,181,235.78 and 553,996.84

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Solution

The fourth proportional to 855,782.44, 1,181,235.78 and 553,996.84 is: 764,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,782.44 : 1,181,235.78 = 553,996.84 : x
  2. Step 2: Convert to fraction form
    855,782.44/1,181,235.78 = 553,996.84/x
  3. Step 3: Cross multiply
    855,782.44x = 1,181,235.78 × 553,996.84
  4. Step 4: Simplify right side
    855,782.44x = 654,400,889,414.94
  5. Step 5: Solve for x
    x = 654,400,889,414.94/855,782.44
  6. Step 6: Final answer
    x = 764,681.37

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Double scale
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1.5x scale

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.