Home / 383,370.96-529,055.40-211,295.04

Finding the Fourth Proportional to 383,370.96, 529,055.40 and 211,295.04

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Solution

The fourth proportional to 383,370.96, 529,055.40 and 211,295.04 is: 291,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,370.96 : 529,055.40 = 211,295.04 : x
  2. Step 2: Convert to fraction form
    383,370.96/529,055.40 = 211,295.04/x
  3. Step 3: Cross multiply
    383,370.96x = 529,055.40 × 211,295.04
  4. Step 4: Simplify right side
    383,370.96x = 111,786,781,905.22
  5. Step 5: Solve for x
    x = 111,786,781,905.22/383,370.96
  6. Step 6: Final answer
    x = 291,589.07

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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.