Home / 753,992.33-1,040,162.63-668,039.00

Finding the Fourth Proportional to 753,992.33, 1,040,162.63 and 668,039.00

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Solution

The fourth proportional to 753,992.33, 1,040,162.63 and 668,039.00 is: 921,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,992.33 : 1,040,162.63 = 668,039.00 : x
  2. Step 2: Convert to fraction form
    753,992.33/1,040,162.63 = 668,039.00/x
  3. Step 3: Cross multiply
    753,992.33x = 1,040,162.63 × 668,039.00
  4. Step 4: Simplify right side
    753,992.33x = 694,869,194,641.56
  5. Step 5: Solve for x
    x = 694,869,194,641.56/753,992.33
  6. Step 6: Final answer
    x = 921,586.56

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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.