Home / 644,942.20-967,413.30-171,675.40

Finding the Fourth Proportional to 644,942.20, 967,413.30 and 171,675.40

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Solution

The fourth proportional to 644,942.20, 967,413.30 and 171,675.40 is: 257,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,942.20 : 967,413.30 = 171,675.40 : x
  2. Step 2: Convert to fraction form
    644,942.20/967,413.30 = 171,675.40/x
  3. Step 3: Cross multiply
    644,942.20x = 967,413.30 × 171,675.40
  4. Step 4: Simplify right side
    644,942.20x = 166,081,065,242.82
  5. Step 5: Solve for x
    x = 166,081,065,242.82/644,942.20
  6. Step 6: Final answer
    x = 257,513.10

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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.