Home / 1,766,700.81-2,438,120.39-1,002,825.45

Finding the Fourth Proportional to 1,766,700.81, 2,438,120.39 and 1,002,825.45

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Solution

The fourth proportional to 1,766,700.81, 2,438,120.39 and 1,002,825.45 is: 1,383,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,700.81 : 2,438,120.39 = 1,002,825.45 : x
  2. Step 2: Convert to fraction form
    1,766,700.81/2,438,120.39 = 1,002,825.45/x
  3. Step 3: Cross multiply
    1,766,700.81x = 2,438,120.39 × 1,002,825.45
  4. Step 4: Simplify right side
    1,766,700.81x = 2,445,009,172,241.80
  5. Step 5: Solve for x
    x = 2,445,009,172,241.80/1,766,700.81
  6. Step 6: Final answer
    x = 1,383,940.71

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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.