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Finding the Fourth Proportional to 1,795,444, 2,477,712.78 and 990,628

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Solution

The fourth proportional to 1,795,444, 2,477,712.78 and 990,628 is: 1,367,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,444 : 2,477,712.78 = 990,628 : x
  2. Step 2: Convert to fraction form
    1,795,444/2,477,712.78 = 990,628/x
  3. Step 3: Cross multiply
    1,795,444x = 2,477,712.78 × 990,628
  4. Step 4: Simplify right side
    1,795,444x = 2,454,491,655,825.84
  5. Step 5: Solve for x
    x = 2,454,491,655,825.84/1,795,444
  6. Step 6: Final answer
    x = 1,367,066.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.