Home / 919,324.23-1,268,148.92-551,707.35

Finding the Fourth Proportional to 919,324.23, 1,268,148.92 and 551,707.35

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Solution

The fourth proportional to 919,324.23, 1,268,148.92 and 551,707.35 is: 761,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,324.23 : 1,268,148.92 = 551,707.35 : x
  2. Step 2: Convert to fraction form
    919,324.23/1,268,148.92 = 551,707.35/x
  3. Step 3: Cross multiply
    919,324.23x = 1,268,148.92 × 551,707.35
  4. Step 4: Simplify right side
    919,324.23x = 699,647,077,300.03
  5. Step 5: Solve for x
    x = 699,647,077,300.03/919,324.23
  6. Step 6: Final answer
    x = 761,044.97

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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.