Home / 1,092,743.16-1,638,179.82-419,307.75

Finding the Fourth Proportional to 1,092,743.16, 1,638,179.82 and 419,307.75

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Solution

The fourth proportional to 1,092,743.16, 1,638,179.82 and 419,307.75 is: 628,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,743.16 : 1,638,179.82 = 419,307.75 : x
  2. Step 2: Convert to fraction form
    1,092,743.16/1,638,179.82 = 419,307.75/x
  3. Step 3: Cross multiply
    1,092,743.16x = 1,638,179.82 × 419,307.75
  4. Step 4: Simplify right side
    1,092,743.16x = 686,901,494,419.61
  5. Step 5: Solve for x
    x = 686,901,494,419.61/1,092,743.16
  6. Step 6: Final answer
    x = 628,602.88

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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.