Home / 1,321,815.06-1,971,712.31-1,194,254.10

Finding the Fourth Proportional to 1,321,815.06, 1,971,712.31 and 1,194,254.10

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Solution

The fourth proportional to 1,321,815.06, 1,971,712.31 and 1,194,254.10 is: 1,781,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,815.06 : 1,971,712.31 = 1,194,254.10 : x
  2. Step 2: Convert to fraction form
    1,321,815.06/1,971,712.31 = 1,194,254.10/x
  3. Step 3: Cross multiply
    1,321,815.06x = 1,971,712.31 × 1,194,254.10
  4. Step 4: Simplify right side
    1,321,815.06x = 2,354,725,504,266.70
  5. Step 5: Solve for x
    x = 2,354,725,504,266.70/1,321,815.06
  6. Step 6: Final answer
    x = 1,781,433.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.