Home / 1,167,966-1,611,796.92-631,425.84

Finding the Fourth Proportional to 1,167,966, 1,611,796.92 and 631,425.84

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Solution

The fourth proportional to 1,167,966, 1,611,796.92 and 631,425.84 is: 871,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,966 : 1,611,796.92 = 631,425.84 : x
  2. Step 2: Convert to fraction form
    1,167,966/1,611,796.92 = 631,425.84/x
  3. Step 3: Cross multiply
    1,167,966x = 1,611,796.92 × 631,425.84
  4. Step 4: Simplify right side
    1,167,966x = 1,017,730,224,120.41
  5. Step 5: Solve for x
    x = 1,017,730,224,120.41/1,167,966
  6. Step 6: Final answer
    x = 871,369.74

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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.