Home / 1,149,493.88-1,586,350.58-640,196.26

Finding the Fourth Proportional to 1,149,493.88, 1,586,350.58 and 640,196.26

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Solution

The fourth proportional to 1,149,493.88, 1,586,350.58 and 640,196.26 is: 883,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,493.88 : 1,586,350.58 = 640,196.26 : x
  2. Step 2: Convert to fraction form
    1,149,493.88/1,586,350.58 = 640,196.26/x
  3. Step 3: Cross multiply
    1,149,493.88x = 1,586,350.58 × 640,196.26
  4. Step 4: Simplify right side
    1,149,493.88x = 1,015,575,701,197.97
  5. Step 5: Solve for x
    x = 1,015,575,701,197.97/1,149,493.88
  6. Step 6: Final answer
    x = 883,498.13

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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.