Home / 474,467.12-711,963.44-194,181.20

Finding the Fourth Proportional to 474,467.12, 711,963.44 and 194,181.20

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Solution

The fourth proportional to 474,467.12, 711,963.44 and 194,181.20 is: 291,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,467.12 : 711,963.44 = 194,181.20 : x
  2. Step 2: Convert to fraction form
    474,467.12/711,963.44 = 194,181.20/x
  3. Step 3: Cross multiply
    474,467.12x = 711,963.44 × 194,181.20
  4. Step 4: Simplify right side
    474,467.12x = 138,249,915,135.33
  5. Step 5: Solve for x
    x = 138,249,915,135.33/474,467.12
  6. Step 6: Final answer
    x = 291,379.34

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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.