Home / 1,557,144.33-2,335,838.77-419,889.39

Finding the Fourth Proportional to 1,557,144.33, 2,335,838.77 and 419,889.39

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Solution

The fourth proportional to 1,557,144.33, 2,335,838.77 and 419,889.39 is: 629,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,144.33 : 2,335,838.77 = 419,889.39 : x
  2. Step 2: Convert to fraction form
    1,557,144.33/2,335,838.77 = 419,889.39/x
  3. Step 3: Cross multiply
    1,557,144.33x = 2,335,838.77 × 419,889.39
  4. Step 4: Simplify right side
    1,557,144.33x = 980,793,908,039.12
  5. Step 5: Solve for x
    x = 980,793,908,039.12/1,557,144.33
  6. Step 6: Final answer
    x = 629,867.05

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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.