Home / 334,622.80-501,934.20-320,107.60

Finding the Fourth Proportional to 334,622.80, 501,934.20 and 320,107.60

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Solution

The fourth proportional to 334,622.80, 501,934.20 and 320,107.60 is: 480,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,622.80 : 501,934.20 = 320,107.60 : x
  2. Step 2: Convert to fraction form
    334,622.80/501,934.20 = 320,107.60/x
  3. Step 3: Cross multiply
    334,622.80x = 501,934.20 × 320,107.60
  4. Step 4: Simplify right side
    334,622.80x = 160,672,952,119.92
  5. Step 5: Solve for x
    x = 160,672,952,119.92/334,622.80
  6. Step 6: Final answer
    x = 480,161.40

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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.