Home / 370,621.50-511,512.57-234,668.09

Finding the Fourth Proportional to 370,621.50, 511,512.57 and 234,668.09

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Solution

The fourth proportional to 370,621.50, 511,512.57 and 234,668.09 is: 323,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,621.50 : 511,512.57 = 234,668.09 : x
  2. Step 2: Convert to fraction form
    370,621.50/511,512.57 = 234,668.09/x
  3. Step 3: Cross multiply
    370,621.50x = 511,512.57 × 234,668.09
  4. Step 4: Simplify right side
    370,621.50x = 120,035,675,255.33
  5. Step 5: Solve for x
    x = 120,035,675,255.33/370,621.50
  6. Step 6: Final answer
    x = 323,876.72

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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.