Home / 407,438.44-562,271.22-223,692.16

Finding the Fourth Proportional to 407,438.44, 562,271.22 and 223,692.16

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Solution

The fourth proportional to 407,438.44, 562,271.22 and 223,692.16 is: 308,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,438.44 : 562,271.22 = 223,692.16 : x
  2. Step 2: Convert to fraction form
    407,438.44/562,271.22 = 223,692.16/x
  3. Step 3: Cross multiply
    407,438.44x = 562,271.22 × 223,692.16
  4. Step 4: Simplify right side
    407,438.44x = 125,775,663,707.64
  5. Step 5: Solve for x
    x = 125,775,663,707.64/407,438.44
  6. Step 6: Final answer
    x = 308,698.57

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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.