Home / 1,127,993.40-1,556,620.20-611,758.62

Finding the Fourth Proportional to 1,127,993.40, 1,556,620.20 and 611,758.62

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Solution

The fourth proportional to 1,127,993.40, 1,556,620.20 and 611,758.62 is: 844,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,993.40 : 1,556,620.20 = 611,758.62 : x
  2. Step 2: Convert to fraction form
    1,127,993.40/1,556,620.20 = 611,758.62/x
  3. Step 3: Cross multiply
    1,127,993.40x = 1,556,620.20 × 611,758.62
  4. Step 4: Simplify right side
    1,127,993.40x = 952,275,825,416.12
  5. Step 5: Solve for x
    x = 952,275,825,416.12/1,127,993.40
  6. Step 6: Final answer
    x = 844,221.10

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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.