Home / 407,238.88-562,319.84-254,455.04

Finding the Fourth Proportional to 407,238.88, 562,319.84 and 254,455.04

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Solution

The fourth proportional to 407,238.88, 562,319.84 and 254,455.04 is: 351,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,238.88 : 562,319.84 = 254,455.04 : x
  2. Step 2: Convert to fraction form
    407,238.88/562,319.84 = 254,455.04/x
  3. Step 3: Cross multiply
    407,238.88x = 562,319.84 × 254,455.04
  4. Step 4: Simplify right side
    407,238.88x = 143,085,117,379.99
  5. Step 5: Solve for x
    x = 143,085,117,379.99/407,238.88
  6. Step 6: Final answer
    x = 351,354.27

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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.