Home / 864,161.61-1,192,991.41-631,327.44

Finding the Fourth Proportional to 864,161.61, 1,192,991.41 and 631,327.44

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Solution

The fourth proportional to 864,161.61, 1,192,991.41 and 631,327.44 is: 871,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,161.61 : 1,192,991.41 = 631,327.44 : x
  2. Step 2: Convert to fraction form
    864,161.61/1,192,991.41 = 631,327.44/x
  3. Step 3: Cross multiply
    864,161.61x = 1,192,991.41 × 631,327.44
  4. Step 4: Simplify right side
    864,161.61x = 753,168,216,500.49
  5. Step 5: Solve for x
    x = 753,168,216,500.49/864,161.61
  6. Step 6: Final answer
    x = 871,559.45

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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.