Home / 1,186,233.74-1,778,982.59-427,976.64

Finding the Fourth Proportional to 1,186,233.74, 1,778,982.59 and 427,976.64

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Solution

The fourth proportional to 1,186,233.74, 1,778,982.59 and 427,976.64 is: 641,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,233.74 : 1,778,982.59 = 427,976.64 : x
  2. Step 2: Convert to fraction form
    1,186,233.74/1,778,982.59 = 427,976.64/x
  3. Step 3: Cross multiply
    1,186,233.74x = 1,778,982.59 × 427,976.64
  4. Step 4: Simplify right side
    1,186,233.74x = 761,362,992,556.64
  5. Step 5: Solve for x
    x = 761,362,992,556.64/1,186,233.74
  6. Step 6: Final answer
    x = 641,832.19

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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.