Home / 935,591.80-1,403,059.65-486,163.30

Finding the Fourth Proportional to 935,591.80, 1,403,059.65 and 486,163.30

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Solution

The fourth proportional to 935,591.80, 1,403,059.65 and 486,163.30 is: 729,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,591.80 : 1,403,059.65 = 486,163.30 : x
  2. Step 2: Convert to fraction form
    935,591.80/1,403,059.65 = 486,163.30/x
  3. Step 3: Cross multiply
    935,591.80x = 1,403,059.65 × 486,163.30
  4. Step 4: Simplify right side
    935,591.80x = 682,116,109,540.85
  5. Step 5: Solve for x
    x = 682,116,109,540.85/935,591.80
  6. Step 6: Final answer
    x = 729,074.48

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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.