Home / 644,815.56-967,222.10-171,501.42

Finding the Fourth Proportional to 644,815.56, 967,222.10 and 171,501.42

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Solution

The fourth proportional to 644,815.56, 967,222.10 and 171,501.42 is: 257,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,815.56 : 967,222.10 = 171,501.42 : x
  2. Step 2: Convert to fraction form
    644,815.56/967,222.10 = 171,501.42/x
  3. Step 3: Cross multiply
    644,815.56x = 967,222.10 × 171,501.42
  4. Step 4: Simplify right side
    644,815.56x = 165,879,963,605.38
  5. Step 5: Solve for x
    x = 165,879,963,605.38/644,815.56
  6. Step 6: Final answer
    x = 257,251.80

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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.