Home / 1,456,239.44-2,185,342.86-509,618.36

Finding the Fourth Proportional to 1,456,239.44, 2,185,342.86 and 509,618.36

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Solution

The fourth proportional to 1,456,239.44, 2,185,342.86 and 509,618.36 is: 764,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,239.44 : 2,185,342.86 = 509,618.36 : x
  2. Step 2: Convert to fraction form
    1,456,239.44/2,185,342.86 = 509,618.36/x
  3. Step 3: Cross multiply
    1,456,239.44x = 2,185,342.86 × 509,618.36
  4. Step 4: Simplify right side
    1,456,239.44x = 1,113,690,844,350.91
  5. Step 5: Solve for x
    x = 1,113,690,844,350.91/1,456,239.44
  6. Step 6: Final answer
    x = 764,771.79

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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.