Home / 1,167,723.86-1,611,458.61-631,179.86

Finding the Fourth Proportional to 1,167,723.86, 1,611,458.61 and 631,179.86

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Solution

The fourth proportional to 1,167,723.86, 1,611,458.61 and 631,179.86 is: 871,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,723.86 : 1,611,458.61 = 631,179.86 : x
  2. Step 2: Convert to fraction form
    1,167,723.86/1,611,458.61 = 631,179.86/x
  3. Step 3: Cross multiply
    1,167,723.86x = 1,611,458.61 × 631,179.86
  4. Step 4: Simplify right side
    1,167,723.86x = 1,017,120,219,855.59
  5. Step 5: Solve for x
    x = 1,017,120,219,855.59/1,167,723.86
  6. Step 6: Final answer
    x = 871,028.04

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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.