Home / 1,557,843.60-2,335,015.80-659,132.40

Finding the Fourth Proportional to 1,557,843.60, 2,335,015.80 and 659,132.40

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Solution

The fourth proportional to 1,557,843.60, 2,335,015.80 and 659,132.40 is: 987,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,843.60 : 2,335,015.80 = 659,132.40 : x
  2. Step 2: Convert to fraction form
    1,557,843.60/2,335,015.80 = 659,132.40/x
  3. Step 3: Cross multiply
    1,557,843.60x = 2,335,015.80 × 659,132.40
  4. Step 4: Simplify right side
    1,557,843.60x = 1,539,084,568,291.92
  5. Step 5: Solve for x
    x = 1,539,084,568,291.92/1,557,843.60
  6. Step 6: Final answer
    x = 987,958.33

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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.