Home / 324,401.51-486,602.19-236,216.21

Finding the Fourth Proportional to 324,401.51, 486,602.19 and 236,216.21

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Solution

The fourth proportional to 324,401.51, 486,602.19 and 236,216.21 is: 354,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,401.51 : 486,602.19 = 236,216.21 : x
  2. Step 2: Convert to fraction form
    324,401.51/486,602.19 = 236,216.21/x
  3. Step 3: Cross multiply
    324,401.51x = 486,602.19 × 236,216.21
  4. Step 4: Simplify right side
    324,401.51x = 114,943,322,666.49
  5. Step 5: Solve for x
    x = 114,943,322,666.49/324,401.51
  6. Step 6: Final answer
    x = 354,324.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.