Home / 644,807.37-965,949.85-531,118.39

Finding the Fourth Proportional to 644,807.37, 965,949.85 and 531,118.39

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Solution

The fourth proportional to 644,807.37, 965,949.85 and 531,118.39 is: 795,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,807.37 : 965,949.85 = 531,118.39 : x
  2. Step 2: Convert to fraction form
    644,807.37/965,949.85 = 531,118.39/x
  3. Step 3: Cross multiply
    644,807.37x = 965,949.85 × 531,118.39
  4. Step 4: Simplify right side
    644,807.37x = 513,033,729,152.74
  5. Step 5: Solve for x
    x = 513,033,729,152.74/644,807.37
  6. Step 6: Final answer
    x = 795,638.75

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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.