Home / 644,656.44-965,655.78-377,607.36

Finding the Fourth Proportional to 644,656.44, 965,655.78 and 377,607.36

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Solution

The fourth proportional to 644,656.44, 965,655.78 and 377,607.36 is: 565,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,656.44 : 965,655.78 = 377,607.36 : x
  2. Step 2: Convert to fraction form
    644,656.44/965,655.78 = 377,607.36/x
  3. Step 3: Cross multiply
    644,656.44x = 965,655.78 × 377,607.36
  4. Step 4: Simplify right side
    644,656.44x = 364,638,729,754.54
  5. Step 5: Solve for x
    x = 364,638,729,754.54/644,656.44
  6. Step 6: Final answer
    x = 565,632.65

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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.