Home / 397,213.92-548,094-236,009.28

Finding the Fourth Proportional to 397,213.92, 548,094 and 236,009.28

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Solution

The fourth proportional to 397,213.92, 548,094 and 236,009.28 is: 325,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,213.92 : 548,094 = 236,009.28 : x
  2. Step 2: Convert to fraction form
    397,213.92/548,094 = 236,009.28/x
  3. Step 3: Cross multiply
    397,213.92x = 548,094 × 236,009.28
  4. Step 4: Simplify right side
    397,213.92x = 129,355,270,312.32
  5. Step 5: Solve for x
    x = 129,355,270,312.32/397,213.92
  6. Step 6: Final answer
    x = 325,656.44

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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.