Home / 407,467.29-562,278.18-226,170.39

Finding the Fourth Proportional to 407,467.29, 562,278.18 and 226,170.39

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Solution

The fourth proportional to 407,467.29, 562,278.18 and 226,170.39 is: 312,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,467.29 : 562,278.18 = 226,170.39 : x
  2. Step 2: Convert to fraction form
    407,467.29/562,278.18 = 226,170.39/x
  3. Step 3: Cross multiply
    407,467.29x = 562,278.18 × 226,170.39
  4. Step 4: Simplify right side
    407,467.29x = 127,170,675,259.09
  5. Step 5: Solve for x
    x = 127,170,675,259.09/407,467.29
  6. Step 6: Final answer
    x = 312,100.33

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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.