Home / 1,127,087.73-1,690,727.85-621,997.34

Finding the Fourth Proportional to 1,127,087.73, 1,690,727.85 and 621,997.34

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Solution

The fourth proportional to 1,127,087.73, 1,690,727.85 and 621,997.34 is: 933,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,087.73 : 1,690,727.85 = 621,997.34 : x
  2. Step 2: Convert to fraction form
    1,127,087.73/1,690,727.85 = 621,997.34/x
  3. Step 3: Cross multiply
    1,127,087.73x = 1,690,727.85 × 621,997.34
  4. Step 4: Simplify right side
    1,127,087.73x = 1,051,628,216,910.28
  5. Step 5: Solve for x
    x = 1,051,628,216,910.28/1,127,087.73
  6. Step 6: Final answer
    x = 933,049.12

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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.