Home / 397,835.64-548,964.48-236,697.48

Finding the Fourth Proportional to 397,835.64, 548,964.48 and 236,697.48

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Solution

The fourth proportional to 397,835.64, 548,964.48 and 236,697.48 is: 326,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,835.64 : 548,964.48 = 236,697.48 : x
  2. Step 2: Convert to fraction form
    397,835.64/548,964.48 = 236,697.48/x
  3. Step 3: Cross multiply
    397,835.64x = 548,964.48 × 236,697.48
  4. Step 4: Simplify right side
    397,835.64x = 129,938,509,025.51
  5. Step 5: Solve for x
    x = 129,938,509,025.51/397,835.64
  6. Step 6: Final answer
    x = 326,613.55

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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.