Home / 788,163.70-1,182,245.55-472,458.10

Finding the Fourth Proportional to 788,163.70, 1,182,245.55 and 472,458.10

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Solution

The fourth proportional to 788,163.70, 1,182,245.55 and 472,458.10 is: 708,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,163.70 : 1,182,245.55 = 472,458.10 : x
  2. Step 2: Convert to fraction form
    788,163.70/1,182,245.55 = 472,458.10/x
  3. Step 3: Cross multiply
    788,163.70x = 1,182,245.55 × 472,458.10
  4. Step 4: Simplify right side
    788,163.70x = 558,561,486,286.46
  5. Step 5: Solve for x
    x = 558,561,486,286.46/788,163.70
  6. Step 6: Final answer
    x = 708,687.15

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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.