Home / 1,097,149.70-1,645,724.55-1,081,403.30

Finding the Fourth Proportional to 1,097,149.70, 1,645,724.55 and 1,081,403.30

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Solution

The fourth proportional to 1,097,149.70, 1,645,724.55 and 1,081,403.30 is: 1,622,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,149.70 : 1,645,724.55 = 1,081,403.30 : x
  2. Step 2: Convert to fraction form
    1,097,149.70/1,645,724.55 = 1,081,403.30/x
  3. Step 3: Cross multiply
    1,097,149.70x = 1,645,724.55 × 1,081,403.30
  4. Step 4: Simplify right side
    1,097,149.70x = 1,779,691,959,261.02
  5. Step 5: Solve for x
    x = 1,779,691,959,261.02/1,097,149.70
  6. Step 6: Final answer
    x = 1,622,104.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.