Home / 1,229,222.96-1,844,696.32-509,575.76

Finding the Fourth Proportional to 1,229,222.96, 1,844,696.32 and 509,575.76

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Solution

The fourth proportional to 1,229,222.96, 1,844,696.32 and 509,575.76 is: 764,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,222.96 : 1,844,696.32 = 509,575.76 : x
  2. Step 2: Convert to fraction form
    1,229,222.96/1,844,696.32 = 509,575.76/x
  3. Step 3: Cross multiply
    1,229,222.96x = 1,844,696.32 × 509,575.76
  4. Step 4: Simplify right side
    1,229,222.96x = 940,012,529,233.20
  5. Step 5: Solve for x
    x = 940,012,529,233.20/1,229,222.96
  6. Step 6: Final answer
    x = 764,720.93

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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.