Home / 695,451.20-1,043,176.80-446,619.20

Finding the Fourth Proportional to 695,451.20, 1,043,176.80 and 446,619.20

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Solution

The fourth proportional to 695,451.20, 1,043,176.80 and 446,619.20 is: 669,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,451.20 : 1,043,176.80 = 446,619.20 : x
  2. Step 2: Convert to fraction form
    695,451.20/1,043,176.80 = 446,619.20/x
  3. Step 3: Cross multiply
    695,451.20x = 1,043,176.80 × 446,619.20
  4. Step 4: Simplify right side
    695,451.20x = 465,902,787,874.56
  5. Step 5: Solve for x
    x = 465,902,787,874.56/695,451.20
  6. Step 6: Final answer
    x = 669,928.80

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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.