Home / 407,399.28-562,202.55-226,100.67

Finding the Fourth Proportional to 407,399.28, 562,202.55 and 226,100.67

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Solution

The fourth proportional to 407,399.28, 562,202.55 and 226,100.67 is: 312,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,399.28 : 562,202.55 = 226,100.67 : x
  2. Step 2: Convert to fraction form
    407,399.28/562,202.55 = 226,100.67/x
  3. Step 3: Cross multiply
    407,399.28x = 562,202.55 × 226,100.67
  4. Step 4: Simplify right side
    407,399.28x = 127,114,373,230.71
  5. Step 5: Solve for x
    x = 127,114,373,230.71/407,399.28
  6. Step 6: Final answer
    x = 312,014.23

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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.