Home / 1,229,001.04-1,695,934.83-685,112.77

Finding the Fourth Proportional to 1,229,001.04, 1,695,934.83 and 685,112.77

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Solution

The fourth proportional to 1,229,001.04, 1,695,934.83 and 685,112.77 is: 945,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,001.04 : 1,695,934.83 = 685,112.77 : x
  2. Step 2: Convert to fraction form
    1,229,001.04/1,695,934.83 = 685,112.77/x
  3. Step 3: Cross multiply
    1,229,001.04x = 1,695,934.83 × 685,112.77
  4. Step 4: Simplify right side
    1,229,001.04x = 1,161,906,609,120.78
  5. Step 5: Solve for x
    x = 1,161,906,609,120.78/1,229,001.04
  6. Step 6: Final answer
    x = 945,407.34

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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.