Home / 334,031.20-499,880.40-233,720.80

Finding the Fourth Proportional to 334,031.20, 499,880.40 and 233,720.80

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Solution

The fourth proportional to 334,031.20, 499,880.40 and 233,720.80 is: 349,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,031.20 : 499,880.40 = 233,720.80 : x
  2. Step 2: Convert to fraction form
    334,031.20/499,880.40 = 233,720.80/x
  3. Step 3: Cross multiply
    334,031.20x = 499,880.40 × 233,720.80
  4. Step 4: Simplify right side
    334,031.20x = 116,832,446,992.32
  5. Step 5: Solve for x
    x = 116,832,446,992.32/334,031.20
  6. Step 6: Final answer
    x = 349,765.07

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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.