Home / 408,052.15-562,518.47-285,163.00

Finding the Fourth Proportional to 408,052.15, 562,518.47 and 285,163.00

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Solution

The fourth proportional to 408,052.15, 562,518.47 and 285,163.00 is: 393,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,052.15 : 562,518.47 = 285,163.00 : x
  2. Step 2: Convert to fraction form
    408,052.15/562,518.47 = 285,163.00/x
  3. Step 3: Cross multiply
    408,052.15x = 562,518.47 × 285,163.00
  4. Step 4: Simplify right side
    408,052.15x = 160,409,453,767.22
  5. Step 5: Solve for x
    x = 160,409,453,767.22/408,052.15
  6. Step 6: Final answer
    x = 393,110.18

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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.