Home / 397,686.10-548,625.48-236,449.51

Finding the Fourth Proportional to 397,686.10, 548,625.48 and 236,449.51

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Solution

The fourth proportional to 397,686.10, 548,625.48 and 236,449.51 is: 326,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,686.10 : 548,625.48 = 236,449.51 : x
  2. Step 2: Convert to fraction form
    397,686.10/548,625.48 = 236,449.51/x
  3. Step 3: Cross multiply
    397,686.10x = 548,625.48 × 236,449.51
  4. Step 4: Simplify right side
    397,686.10x = 129,722,225,919.52
  5. Step 5: Solve for x
    x = 129,722,225,919.52/397,686.10
  6. Step 6: Final answer
    x = 326,192.51

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1.5x scale

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.