Home / 664,986.60-996,823.80-327,751.20

Finding the Fourth Proportional to 664,986.60, 996,823.80 and 327,751.20

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Solution

The fourth proportional to 664,986.60, 996,823.80 and 327,751.20 is: 491,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,986.60 : 996,823.80 = 327,751.20 : x
  2. Step 2: Convert to fraction form
    664,986.60/996,823.80 = 327,751.20/x
  3. Step 3: Cross multiply
    664,986.60x = 996,823.80 × 327,751.20
  4. Step 4: Simplify right side
    664,986.60x = 326,710,196,638.56
  5. Step 5: Solve for x
    x = 326,710,196,638.56/664,986.60
  6. Step 6: Final answer
    x = 491,303.43

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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.