Home / 1,693,112.72-2,539,513.56-571,191.44

Finding the Fourth Proportional to 1,693,112.72, 2,539,513.56 and 571,191.44

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Solution

The fourth proportional to 1,693,112.72, 2,539,513.56 and 571,191.44 is: 856,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,112.72 : 2,539,513.56 = 571,191.44 : x
  2. Step 2: Convert to fraction form
    1,693,112.72/2,539,513.56 = 571,191.44/x
  3. Step 3: Cross multiply
    1,693,112.72x = 2,539,513.56 × 571,191.44
  4. Step 4: Simplify right side
    1,693,112.72x = 1,450,548,407,235.93
  5. Step 5: Solve for x
    x = 1,450,548,407,235.93/1,693,112.72
  6. Step 6: Final answer
    x = 856,734.69

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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.