Home / 336,021.20-504,031.80-324,616.40

Finding the Fourth Proportional to 336,021.20, 504,031.80 and 324,616.40

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Solution

The fourth proportional to 336,021.20, 504,031.80 and 324,616.40 is: 486,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,021.20 : 504,031.80 = 324,616.40 : x
  2. Step 2: Convert to fraction form
    336,021.20/504,031.80 = 324,616.40/x
  3. Step 3: Cross multiply
    336,021.20x = 504,031.80 × 324,616.40
  4. Step 4: Simplify right side
    336,021.20x = 163,616,988,401.52
  5. Step 5: Solve for x
    x = 163,616,988,401.52/336,021.20
  6. Step 6: Final answer
    x = 486,924.60

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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.