Home / 772,675.20-1,159,012.80-729,372.60

Finding the Fourth Proportional to 772,675.20, 1,159,012.80 and 729,372.60

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Solution

The fourth proportional to 772,675.20, 1,159,012.80 and 729,372.60 is: 1,094,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,675.20 : 1,159,012.80 = 729,372.60 : x
  2. Step 2: Convert to fraction form
    772,675.20/1,159,012.80 = 729,372.60/x
  3. Step 3: Cross multiply
    772,675.20x = 1,159,012.80 × 729,372.60
  4. Step 4: Simplify right side
    772,675.20x = 845,352,179,369.28
  5. Step 5: Solve for x
    x = 845,352,179,369.28/772,675.20
  6. Step 6: Final answer
    x = 1,094,058.90

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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.