Home / 1,167,723.36-1,611,457.92-631,179.36

Finding the Fourth Proportional to 1,167,723.36, 1,611,457.92 and 631,179.36

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Solution

The fourth proportional to 1,167,723.36, 1,611,457.92 and 631,179.36 is: 871,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,723.36 : 1,611,457.92 = 631,179.36 : x
  2. Step 2: Convert to fraction form
    1,167,723.36/1,611,457.92 = 631,179.36/x
  3. Step 3: Cross multiply
    1,167,723.36x = 1,611,457.92 × 631,179.36
  4. Step 4: Simplify right side
    1,167,723.36x = 1,017,118,978,612.53
  5. Step 5: Solve for x
    x = 1,017,118,978,612.53/1,167,723.36
  6. Step 6: Final answer
    x = 871,027.35

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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.