Home / 767,695.44-1,059,077.16-445,218.96

Finding the Fourth Proportional to 767,695.44, 1,059,077.16 and 445,218.96

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Solution

The fourth proportional to 767,695.44, 1,059,077.16 and 445,218.96 is: 614,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,695.44 : 1,059,077.16 = 445,218.96 : x
  2. Step 2: Convert to fraction form
    767,695.44/1,059,077.16 = 445,218.96/x
  3. Step 3: Cross multiply
    767,695.44x = 1,059,077.16 × 445,218.96
  4. Step 4: Simplify right side
    767,695.44x = 471,521,231,734.95
  5. Step 5: Solve for x
    x = 471,521,231,734.95/767,695.44
  6. Step 6: Final answer
    x = 614,203.51

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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.