Home / 397,828.82-549,015.38-216,552.44

Finding the Fourth Proportional to 397,828.82, 549,015.38 and 216,552.44

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Solution

The fourth proportional to 397,828.82, 549,015.38 and 216,552.44 is: 298,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,828.82 : 549,015.38 = 216,552.44 : x
  2. Step 2: Convert to fraction form
    397,828.82/549,015.38 = 216,552.44/x
  3. Step 3: Cross multiply
    397,828.82x = 549,015.38 × 216,552.44
  4. Step 4: Simplify right side
    397,828.82x = 118,890,620,136.53
  5. Step 5: Solve for x
    x = 118,890,620,136.53/397,828.82
  6. Step 6: Final answer
    x = 298,848.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.