Home / 407,741.45-562,686.75-226,456.56

Finding the Fourth Proportional to 407,741.45, 562,686.75 and 226,456.56

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Solution

The fourth proportional to 407,741.45, 562,686.75 and 226,456.56 is: 312,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,741.45 : 562,686.75 = 226,456.56 : x
  2. Step 2: Convert to fraction form
    407,741.45/562,686.75 = 226,456.56/x
  3. Step 3: Cross multiply
    407,741.45x = 562,686.75 × 226,456.56
  4. Step 4: Simplify right side
    407,741.45x = 127,424,105,762.58
  5. Step 5: Solve for x
    x = 127,424,105,762.58/407,741.45
  6. Step 6: Final answer
    x = 312,512.03

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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.