Home / 644,376.38-966,739.54-195,112.32

Finding the Fourth Proportional to 644,376.38, 966,739.54 and 195,112.32

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Solution

The fourth proportional to 644,376.38, 966,739.54 and 195,112.32 is: 292,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,376.38 : 966,739.54 = 195,112.32 : x
  2. Step 2: Convert to fraction form
    644,376.38/966,739.54 = 195,112.32/x
  3. Step 3: Cross multiply
    644,376.38x = 966,739.54 × 195,112.32
  4. Step 4: Simplify right side
    644,376.38x = 188,622,794,485.13
  5. Step 5: Solve for x
    x = 188,622,794,485.13/644,376.38
  6. Step 6: Final answer
    x = 292,721.46

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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.