Home / 741,342.63-1,111,592.15-291,819.81

Finding the Fourth Proportional to 741,342.63, 1,111,592.15 and 291,819.81

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Solution

The fourth proportional to 741,342.63, 1,111,592.15 and 291,819.81 is: 437,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,342.63 : 1,111,592.15 = 291,819.81 : x
  2. Step 2: Convert to fraction form
    741,342.63/1,111,592.15 = 291,819.81/x
  3. Step 3: Cross multiply
    741,342.63x = 1,111,592.15 × 291,819.81
  4. Step 4: Simplify right side
    741,342.63x = 324,384,608,551.39
  5. Step 5: Solve for x
    x = 324,384,608,551.39/741,342.63
  6. Step 6: Final answer
    x = 437,563.68

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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.