Home / 2,005,714.45-3,008,578.20-509,806.45

Finding the Fourth Proportional to 2,005,714.45, 3,008,578.20 and 509,806.45

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Solution

The fourth proportional to 2,005,714.45, 3,008,578.20 and 509,806.45 is: 764,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,714.45 : 3,008,578.20 = 509,806.45 : x
  2. Step 2: Convert to fraction form
    2,005,714.45/3,008,578.20 = 509,806.45/x
  3. Step 3: Cross multiply
    2,005,714.45x = 3,008,578.20 × 509,806.45
  4. Step 4: Simplify right side
    2,005,714.45x = 1,533,792,571,689.39
  5. Step 5: Solve for x
    x = 1,533,792,571,689.39/2,005,714.45
  6. Step 6: Final answer
    x = 764,711.33

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Double scale
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Similar ratio
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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.