Home / 1,617,986.30-2,233,265.20-939,141.50

Finding the Fourth Proportional to 1,617,986.30, 2,233,265.20 and 939,141.50

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Solution

The fourth proportional to 1,617,986.30, 2,233,265.20 and 939,141.50 is: 1,296,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,986.30 : 2,233,265.20 = 939,141.50 : x
  2. Step 2: Convert to fraction form
    1,617,986.30/2,233,265.20 = 939,141.50/x
  3. Step 3: Cross multiply
    1,617,986.30x = 2,233,265.20 × 939,141.50
  4. Step 4: Simplify right side
    1,617,986.30x = 2,097,352,029,825.80
  5. Step 5: Solve for x
    x = 2,097,352,029,825.80/1,617,986.30
  6. Step 6: Final answer
    x = 1,296,273.05

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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.