Home / 397,621.66-548,508.77-236,362

Finding the Fourth Proportional to 397,621.66, 548,508.77 and 236,362

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Solution

The fourth proportional to 397,621.66, 548,508.77 and 236,362 is: 326,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,621.66 : 548,508.77 = 236,362 : x
  2. Step 2: Convert to fraction form
    397,621.66/548,508.77 = 236,362/x
  3. Step 3: Cross multiply
    397,621.66x = 548,508.77 × 236,362
  4. Step 4: Simplify right side
    397,621.66x = 129,646,628,712.93
  5. Step 5: Solve for x
    x = 129,646,628,712.93/397,621.66
  6. Step 6: Final answer
    x = 326,055.25

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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.