Home / 1,167,321.60-1,611,705.60-881,164.80

Finding the Fourth Proportional to 1,167,321.60, 1,611,705.60 and 881,164.80

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Solution

The fourth proportional to 1,167,321.60, 1,611,705.60 and 881,164.80 is: 1,216,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,321.60 : 1,611,705.60 = 881,164.80 : x
  2. Step 2: Convert to fraction form
    1,167,321.60/1,611,705.60 = 881,164.80/x
  3. Step 3: Cross multiply
    1,167,321.60x = 1,611,705.60 × 881,164.80
  4. Step 4: Simplify right side
    1,167,321.60x = 1,420,178,242,682.88
  5. Step 5: Solve for x
    x = 1,420,178,242,682.88/1,167,321.60
  6. Step 6: Final answer
    x = 1,216,612.66

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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.