Home / 644,904.90-967,365.45-195,630.30

Finding the Fourth Proportional to 644,904.90, 967,365.45 and 195,630.30

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Solution

The fourth proportional to 644,904.90, 967,365.45 and 195,630.30 is: 293,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,904.90 : 967,365.45 = 195,630.30 : x
  2. Step 2: Convert to fraction form
    644,904.90/967,365.45 = 195,630.30/x
  3. Step 3: Cross multiply
    644,904.90x = 967,365.45 × 195,630.30
  4. Step 4: Simplify right side
    644,904.90x = 189,245,993,193.14
  5. Step 5: Solve for x
    x = 189,245,993,193.14/644,904.90
  6. Step 6: Final answer
    x = 293,447.91

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Double scale
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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.