Home / 1,676,059.12-2,313,037.75-987,760.03

Finding the Fourth Proportional to 1,676,059.12, 2,313,037.75 and 987,760.03

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Solution

The fourth proportional to 1,676,059.12, 2,313,037.75 and 987,760.03 is: 1,363,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,059.12 : 2,313,037.75 = 987,760.03 : x
  2. Step 2: Convert to fraction form
    1,676,059.12/2,313,037.75 = 987,760.03/x
  3. Step 3: Cross multiply
    1,676,059.12x = 2,313,037.75 × 987,760.03
  4. Step 4: Simplify right side
    1,676,059.12x = 2,284,726,238,972.23
  5. Step 5: Solve for x
    x = 2,284,726,238,972.23/1,676,059.12
  6. Step 6: Final answer
    x = 1,363,153.73

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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.