Home / 644,829.40-967,252.20-195,554.80

Finding the Fourth Proportional to 644,829.40, 967,252.20 and 195,554.80

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Solution

The fourth proportional to 644,829.40, 967,252.20 and 195,554.80 is: 293,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,829.40 : 967,252.20 = 195,554.80 : x
  2. Step 2: Convert to fraction form
    644,829.40/967,252.20 = 195,554.80/x
  3. Step 3: Cross multiply
    644,829.40x = 967,252.20 × 195,554.80
  4. Step 4: Simplify right side
    644,829.40x = 189,150,810,520.56
  5. Step 5: Solve for x
    x = 189,150,810,520.56/644,829.40
  6. Step 6: Final answer
    x = 293,334.66

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1.5x scale

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.