Home / 427,788.18-590,322.33-236,790.18

Finding the Fourth Proportional to 427,788.18, 590,322.33 and 236,790.18

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Solution

The fourth proportional to 427,788.18, 590,322.33 and 236,790.18 is: 326,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,788.18 : 590,322.33 = 236,790.18 : x
  2. Step 2: Convert to fraction form
    427,788.18/590,322.33 = 236,790.18/x
  3. Step 3: Cross multiply
    427,788.18x = 590,322.33 × 236,790.18
  4. Step 4: Simplify right side
    427,788.18x = 139,782,530,778.72
  5. Step 5: Solve for x
    x = 139,782,530,778.72/427,788.18
  6. Step 6: Final answer
    x = 326,756.41

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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.