Home / 775,936.52-1,164,189.09-326,770.46

Finding the Fourth Proportional to 775,936.52, 1,164,189.09 and 326,770.46

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Solution

The fourth proportional to 775,936.52, 1,164,189.09 and 326,770.46 is: 490,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,936.52 : 1,164,189.09 = 326,770.46 : x
  2. Step 2: Convert to fraction form
    775,936.52/1,164,189.09 = 326,770.46/x
  3. Step 3: Cross multiply
    775,936.52x = 1,164,189.09 × 326,770.46
  4. Step 4: Simplify right side
    775,936.52x = 380,422,604,466.28
  5. Step 5: Solve for x
    x = 380,422,604,466.28/775,936.52
  6. Step 6: Final answer
    x = 490,275.42

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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.