Home / 644,938.15-967,429.07-171,623.97

Finding the Fourth Proportional to 644,938.15, 967,429.07 and 171,623.97

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Solution

The fourth proportional to 644,938.15, 967,429.07 and 171,623.97 is: 257,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,938.15 : 967,429.07 = 171,623.97 : x
  2. Step 2: Convert to fraction form
    644,938.15/967,429.07 = 171,623.97/x
  3. Step 3: Cross multiply
    644,938.15x = 967,429.07 × 171,623.97
  4. Step 4: Simplify right side
    644,938.15x = 166,034,012,849.66
  5. Step 5: Solve for x
    x = 166,034,012,849.66/644,938.15
  6. Step 6: Final answer
    x = 257,441.76

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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.