Home / 883,593.20-1,325,389.79-218,745.20

Finding the Fourth Proportional to 883,593.20, 1,325,389.79 and 218,745.20

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Solution

The fourth proportional to 883,593.20, 1,325,389.79 and 218,745.20 is: 328,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,593.20 : 1,325,389.79 = 218,745.20 : x
  2. Step 2: Convert to fraction form
    883,593.20/1,325,389.79 = 218,745.20/x
  3. Step 3: Cross multiply
    883,593.20x = 1,325,389.79 × 218,745.20
  4. Step 4: Simplify right side
    883,593.20x = 289,922,646,970.83
  5. Step 5: Solve for x
    x = 289,922,646,970.83/883,593.20
  6. Step 6: Final answer
    x = 328,117.79

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.