Home / 767,274.52-1,058,841.30-445,175.32

Finding the Fourth Proportional to 767,274.52, 1,058,841.30 and 445,175.32

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Solution

The fourth proportional to 767,274.52, 1,058,841.30 and 445,175.32 is: 614,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,274.52 : 1,058,841.30 = 445,175.32 : x
  2. Step 2: Convert to fraction form
    767,274.52/1,058,841.30 = 445,175.32/x
  3. Step 3: Cross multiply
    767,274.52x = 1,058,841.30 × 445,175.32
  4. Step 4: Simplify right side
    767,274.52x = 471,370,014,556.72
  5. Step 5: Solve for x
    x = 471,370,014,556.72/767,274.52
  6. Step 6: Final answer
    x = 614,343.37

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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.