Home / 703,340.20-1,054,388.22-329,262.76

Finding the Fourth Proportional to 703,340.20, 1,054,388.22 and 329,262.76

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Solution

The fourth proportional to 703,340.20, 1,054,388.22 and 329,262.76 is: 493,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,340.20 : 1,054,388.22 = 329,262.76 : x
  2. Step 2: Convert to fraction form
    703,340.20/1,054,388.22 = 329,262.76/x
  3. Step 3: Cross multiply
    703,340.20x = 1,054,388.22 × 329,262.76
  4. Step 4: Simplify right side
    703,340.20x = 347,170,775,428.69
  5. Step 5: Solve for x
    x = 347,170,775,428.69/703,340.20
  6. Step 6: Final answer
    x = 493,602.92

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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.