Home / 1,605,785.44-2,408,679.20-407,797.60

Finding the Fourth Proportional to 1,605,785.44, 2,408,679.20 and 407,797.60

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Solution

The fourth proportional to 1,605,785.44, 2,408,679.20 and 407,797.60 is: 611,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,785.44 : 2,408,679.20 = 407,797.60 : x
  2. Step 2: Convert to fraction form
    1,605,785.44/2,408,679.20 = 407,797.60/x
  3. Step 3: Cross multiply
    1,605,785.44x = 2,408,679.20 × 407,797.60
  4. Step 4: Simplify right side
    1,605,785.44x = 982,253,596,929.92
  5. Step 5: Solve for x
    x = 982,253,596,929.92/1,605,785.44
  6. Step 6: Final answer
    x = 611,696.66

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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.