Home / 777,502.26-1,165,772.24-303,630.39

Finding the Fourth Proportional to 777,502.26, 1,165,772.24 and 303,630.39

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Solution

The fourth proportional to 777,502.26, 1,165,772.24 and 303,630.39 is: 455,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,502.26 : 1,165,772.24 = 303,630.39 : x
  2. Step 2: Convert to fraction form
    777,502.26/1,165,772.24 = 303,630.39/x
  3. Step 3: Cross multiply
    777,502.26x = 1,165,772.24 × 303,630.39
  4. Step 4: Simplify right side
    777,502.26x = 353,963,874,053.51
  5. Step 5: Solve for x
    x = 353,963,874,053.51/777,502.26
  6. Step 6: Final answer
    x = 455,257.68

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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.