Home / 407,409.03-562,215.96-226,110.42

Finding the Fourth Proportional to 407,409.03, 562,215.96 and 226,110.42

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Solution

The fourth proportional to 407,409.03, 562,215.96 and 226,110.42 is: 312,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,409.03 : 562,215.96 = 226,110.42 : x
  2. Step 2: Convert to fraction form
    407,409.03/562,215.96 = 226,110.42/x
  3. Step 3: Cross multiply
    407,409.03x = 562,215.96 × 226,110.42
  4. Step 4: Simplify right side
    407,409.03x = 127,122,886,846.30
  5. Step 5: Solve for x
    x = 127,122,886,846.30/407,409.03
  6. Step 6: Final answer
    x = 312,027.66

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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.