Home / 744,579.55-1,115,887.87-295,055.20

Finding the Fourth Proportional to 744,579.55, 1,115,887.87 and 295,055.20

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Solution

The fourth proportional to 744,579.55, 1,115,887.87 and 295,055.20 is: 442,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,579.55 : 1,115,887.87 = 295,055.20 : x
  2. Step 2: Convert to fraction form
    744,579.55/1,115,887.87 = 295,055.20/x
  3. Step 3: Cross multiply
    744,579.55x = 1,115,887.87 × 295,055.20
  4. Step 4: Simplify right side
    744,579.55x = 329,248,517,185.15
  5. Step 5: Solve for x
    x = 329,248,517,185.15/744,579.55
  6. Step 6: Final answer
    x = 442,193.88

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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.