Home / 1,103,288.89-1,522,455.67-619,759.60

Finding the Fourth Proportional to 1,103,288.89, 1,522,455.67 and 619,759.60

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Solution

The fourth proportional to 1,103,288.89, 1,522,455.67 and 619,759.60 is: 855,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,288.89 : 1,522,455.67 = 619,759.60 : x
  2. Step 2: Convert to fraction form
    1,103,288.89/1,522,455.67 = 619,759.60/x
  3. Step 3: Cross multiply
    1,103,288.89x = 1,522,455.67 × 619,759.60
  4. Step 4: Simplify right side
    1,103,288.89x = 943,556,517,056.93
  5. Step 5: Solve for x
    x = 943,556,517,056.93/1,103,288.89
  6. Step 6: Final answer
    x = 855,221.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.