Home / 383,320.43-528,982.95-230,360.96

Finding the Fourth Proportional to 383,320.43, 528,982.95 and 230,360.96

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Solution

The fourth proportional to 383,320.43, 528,982.95 and 230,360.96 is: 317,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,320.43 : 528,982.95 = 230,360.96 : x
  2. Step 2: Convert to fraction form
    383,320.43/528,982.95 = 230,360.96/x
  3. Step 3: Cross multiply
    383,320.43x = 528,982.95 × 230,360.96
  4. Step 4: Simplify right side
    383,320.43x = 121,857,022,371.94
  5. Step 5: Solve for x
    x = 121,857,022,371.94/383,320.43
  6. Step 6: Final answer
    x = 317,898.59

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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.