Home / 407,748.09-562,699.34-223,994.42

Finding the Fourth Proportional to 407,748.09, 562,699.34 and 223,994.42

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Solution

The fourth proportional to 407,748.09, 562,699.34 and 223,994.42 is: 309,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,748.09 : 562,699.34 = 223,994.42 : x
  2. Step 2: Convert to fraction form
    407,748.09/562,699.34 = 223,994.42/x
  3. Step 3: Cross multiply
    407,748.09x = 562,699.34 × 223,994.42
  4. Step 4: Simplify right side
    407,748.09x = 126,041,512,297.68
  5. Step 5: Solve for x
    x = 126,041,512,297.68/407,748.09
  6. Step 6: Final answer
    x = 309,116.13

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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.