Home / 778,601.60-1,168,291.20-441,900.80

Finding the Fourth Proportional to 778,601.60, 1,168,291.20 and 441,900.80

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Solution

The fourth proportional to 778,601.60, 1,168,291.20 and 441,900.80 is: 663,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,601.60 : 1,168,291.20 = 441,900.80 : x
  2. Step 2: Convert to fraction form
    778,601.60/1,168,291.20 = 441,900.80/x
  3. Step 3: Cross multiply
    778,601.60x = 1,168,291.20 × 441,900.80
  4. Step 4: Simplify right side
    778,601.60x = 516,268,815,912.96
  5. Step 5: Solve for x
    x = 516,268,815,912.96/778,601.60
  6. Step 6: Final answer
    x = 663,071.87

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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.