Home / 863,628.12-1,191,865.26-501,052.14

Finding the Fourth Proportional to 863,628.12, 1,191,865.26 and 501,052.14

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Solution

The fourth proportional to 863,628.12, 1,191,865.26 and 501,052.14 is: 691,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,628.12 : 1,191,865.26 = 501,052.14 : x
  2. Step 2: Convert to fraction form
    863,628.12/1,191,865.26 = 501,052.14/x
  3. Step 3: Cross multiply
    863,628.12x = 1,191,865.26 × 501,052.14
  4. Step 4: Simplify right side
    863,628.12x = 597,186,639,114.66
  5. Step 5: Solve for x
    x = 597,186,639,114.66/863,628.12
  6. Step 6: Final answer
    x = 691,485.87

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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.