Home / 1,396,659.96-1,927,241.10-937,681.56

Finding the Fourth Proportional to 1,396,659.96, 1,927,241.10 and 937,681.56

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Solution

The fourth proportional to 1,396,659.96, 1,927,241.10 and 937,681.56 is: 1,293,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,659.96 : 1,927,241.10 = 937,681.56 : x
  2. Step 2: Convert to fraction form
    1,396,659.96/1,927,241.10 = 937,681.56/x
  3. Step 3: Cross multiply
    1,396,659.96x = 1,927,241.10 × 937,681.56
  4. Step 4: Simplify right side
    1,396,659.96x = 1,807,138,441,144.12
  5. Step 5: Solve for x
    x = 1,807,138,441,144.12/1,396,659.96
  6. Step 6: Final answer
    x = 1,293,900.09

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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.