Home / 407,276.45-562,040.21-226,015.73

Finding the Fourth Proportional to 407,276.45, 562,040.21 and 226,015.73

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Solution

The fourth proportional to 407,276.45, 562,040.21 and 226,015.73 is: 311,900.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,276.45 : 562,040.21 = 226,015.73 : x
  2. Step 2: Convert to fraction form
    407,276.45/562,040.21 = 226,015.73/x
  3. Step 3: Cross multiply
    407,276.45x = 562,040.21 × 226,015.73
  4. Step 4: Simplify right side
    407,276.45x = 127,029,927,222.43
  5. Step 5: Solve for x
    x = 127,029,927,222.43/407,276.45
  6. Step 6: Final answer
    x = 311,900.99

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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.