Home / 1,261,192.86-1,891,736.37-587,042.34

Finding the Fourth Proportional to 1,261,192.86, 1,891,736.37 and 587,042.34

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Solution

The fourth proportional to 1,261,192.86, 1,891,736.37 and 587,042.34 is: 880,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,192.86 : 1,891,736.37 = 587,042.34 : x
  2. Step 2: Convert to fraction form
    1,261,192.86/1,891,736.37 = 587,042.34/x
  3. Step 3: Cross multiply
    1,261,192.86x = 1,891,736.37 × 587,042.34
  4. Step 4: Simplify right side
    1,261,192.86x = 1,110,529,345,307.91
  5. Step 5: Solve for x
    x = 1,110,529,345,307.91/1,261,192.86
  6. Step 6: Final answer
    x = 880,538.88

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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.