Home / 842,791.49-1,162,776.62-515,763.58

Finding the Fourth Proportional to 842,791.49, 1,162,776.62 and 515,763.58

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Solution

The fourth proportional to 842,791.49, 1,162,776.62 and 515,763.58 is: 711,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,791.49 : 1,162,776.62 = 515,763.58 : x
  2. Step 2: Convert to fraction form
    842,791.49/1,162,776.62 = 515,763.58/x
  3. Step 3: Cross multiply
    842,791.49x = 1,162,776.62 × 515,763.58
  4. Step 4: Simplify right side
    842,791.49x = 599,717,829,692.68
  5. Step 5: Solve for x
    x = 599,717,829,692.68/842,791.49
  6. Step 6: Final answer
    x = 711,585.06

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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.