Home / 644,918.37-967,516.65-195,675.45

Finding the Fourth Proportional to 644,918.37, 967,516.65 and 195,675.45

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Solution

The fourth proportional to 644,918.37, 967,516.65 and 195,675.45 is: 293,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,918.37 : 967,516.65 = 195,675.45 : x
  2. Step 2: Convert to fraction form
    644,918.37/967,516.65 = 195,675.45/x
  3. Step 3: Cross multiply
    644,918.37x = 967,516.65 × 195,675.45
  4. Step 4: Simplify right side
    644,918.37x = 189,319,255,871.24
  5. Step 5: Solve for x
    x = 189,319,255,871.24/644,918.37
  6. Step 6: Final answer
    x = 293,555.38

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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.