Home / 1,128,659.26-1,557,568.83-619,409.02

Finding the Fourth Proportional to 1,128,659.26, 1,557,568.83 and 619,409.02

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Solution

The fourth proportional to 1,128,659.26, 1,557,568.83 and 619,409.02 is: 854,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,659.26 : 1,557,568.83 = 619,409.02 : x
  2. Step 2: Convert to fraction form
    1,128,659.26/1,557,568.83 = 619,409.02/x
  3. Step 3: Cross multiply
    1,128,659.26x = 1,557,568.83 × 619,409.02
  4. Step 4: Simplify right side
    1,128,659.26x = 964,772,182,572.85
  5. Step 5: Solve for x
    x = 964,772,182,572.85/1,128,659.26
  6. Step 6: Final answer
    x = 854,794.90

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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.