Home / 744,107.32-1,116,135.96-323,383.24

Finding the Fourth Proportional to 744,107.32, 1,116,135.96 and 323,383.24

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Solution

The fourth proportional to 744,107.32, 1,116,135.96 and 323,383.24 is: 485,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,107.32 : 1,116,135.96 = 323,383.24 : x
  2. Step 2: Convert to fraction form
    744,107.32/1,116,135.96 = 323,383.24/x
  3. Step 3: Cross multiply
    744,107.32x = 1,116,135.96 × 323,383.24
  4. Step 4: Simplify right side
    744,107.32x = 360,939,663,025.31
  5. Step 5: Solve for x
    x = 360,939,663,025.31/744,107.32
  6. Step 6: Final answer
    x = 485,063.99

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1.5x scale

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.