Home / 1,231,627.48-1,699,496.04-687,793.48

Finding the Fourth Proportional to 1,231,627.48, 1,699,496.04 and 687,793.48

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Solution

The fourth proportional to 1,231,627.48, 1,699,496.04 and 687,793.48 is: 949,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,627.48 : 1,699,496.04 = 687,793.48 : x
  2. Step 2: Convert to fraction form
    1,231,627.48/1,699,496.04 = 687,793.48/x
  3. Step 3: Cross multiply
    1,231,627.48x = 1,699,496.04 × 687,793.48
  4. Step 4: Simplify right side
    1,231,627.48x = 1,168,902,295,597.82
  5. Step 5: Solve for x
    x = 1,168,902,295,597.82/1,231,627.48
  6. Step 6: Final answer
    x = 949,071.30

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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.