Home / 778,668.96-1,167,996.56-246,190.36

Finding the Fourth Proportional to 778,668.96, 1,167,996.56 and 246,190.36

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Solution

The fourth proportional to 778,668.96, 1,167,996.56 and 246,190.36 is: 369,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,668.96 : 1,167,996.56 = 246,190.36 : x
  2. Step 2: Convert to fraction form
    778,668.96/1,167,996.56 = 246,190.36/x
  3. Step 3: Cross multiply
    778,668.96x = 1,167,996.56 × 246,190.36
  4. Step 4: Simplify right side
    778,668.96x = 287,549,493,585.16
  5. Step 5: Solve for x
    x = 287,549,493,585.16/778,668.96
  6. Step 6: Final answer
    x = 369,283.36

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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.