Home / 407,895.20-562,985.42-226,669.44

Finding the Fourth Proportional to 407,895.20, 562,985.42 and 226,669.44

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Solution

The fourth proportional to 407,895.20, 562,985.42 and 226,669.44 is: 312,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,895.20 : 562,985.42 = 226,669.44 : x
  2. Step 2: Convert to fraction form
    407,895.20/562,985.42 = 226,669.44/x
  3. Step 3: Cross multiply
    407,895.20x = 562,985.42 × 226,669.44
  4. Step 4: Simplify right side
    407,895.20x = 127,611,589,879.57
  5. Step 5: Solve for x
    x = 127,611,589,879.57/407,895.20
  6. Step 6: Final answer
    x = 312,853.87

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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.