Home / 863,628.89-1,191,866.20-501,052.84

Finding the Fourth Proportional to 863,628.89, 1,191,866.20 and 501,052.84

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Solution

The fourth proportional to 863,628.89, 1,191,866.20 and 501,052.84 is: 691,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,628.89 : 1,191,866.20 = 501,052.84 : x
  2. Step 2: Convert to fraction form
    863,628.89/1,191,866.20 = 501,052.84/x
  3. Step 3: Cross multiply
    863,628.89x = 1,191,866.20 × 501,052.84
  4. Step 4: Simplify right side
    863,628.89x = 597,187,940,177.71
  5. Step 5: Solve for x
    x = 597,187,940,177.71/863,628.89
  6. Step 6: Final answer
    x = 691,486.76

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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.