Home / 579,993.08-869,780.37-200,811.02

Finding the Fourth Proportional to 579,993.08, 869,780.37 and 200,811.02

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Solution

The fourth proportional to 579,993.08, 869,780.37 and 200,811.02 is: 301,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,993.08 : 869,780.37 = 200,811.02 : x
  2. Step 2: Convert to fraction form
    579,993.08/869,780.37 = 200,811.02/x
  3. Step 3: Cross multiply
    579,993.08x = 869,780.37 × 200,811.02
  4. Step 4: Simplify right side
    579,993.08x = 174,661,483,275.68
  5. Step 5: Solve for x
    x = 174,661,483,275.68/579,993.08
  6. Step 6: Final answer
    x = 301,144.08

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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.