Home / 397,529.89-548,733.68-236,384.41

Finding the Fourth Proportional to 397,529.89, 548,733.68 and 236,384.41

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Solution

The fourth proportional to 397,529.89, 548,733.68 and 236,384.41 is: 326,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,529.89 : 548,733.68 = 236,384.41 : x
  2. Step 2: Convert to fraction form
    397,529.89/548,733.68 = 236,384.41/x
  3. Step 3: Cross multiply
    397,529.89x = 548,733.68 × 236,384.41
  4. Step 4: Simplify right side
    397,529.89x = 129,712,087,193.93
  5. Step 5: Solve for x
    x = 129,712,087,193.93/397,529.89
  6. Step 6: Final answer
    x = 326,295.18

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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.