Home / 1,693,932.93-2,337,644.25-919,569.78

Finding the Fourth Proportional to 1,693,932.93, 2,337,644.25 and 919,569.78

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Solution

The fourth proportional to 1,693,932.93, 2,337,644.25 and 919,569.78 is: 1,269,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,932.93 : 2,337,644.25 = 919,569.78 : x
  2. Step 2: Convert to fraction form
    1,693,932.93/2,337,644.25 = 919,569.78/x
  3. Step 3: Cross multiply
    1,693,932.93x = 2,337,644.25 × 919,569.78
  4. Step 4: Simplify right side
    1,693,932.93x = 2,149,627,008,690.77
  5. Step 5: Solve for x
    x = 2,149,627,008,690.77/1,693,932.93
  6. Step 6: Final answer
    x = 1,269,015.42

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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.