Home / 881,680.53-1,216,732.46-494,581.76

Finding the Fourth Proportional to 881,680.53, 1,216,732.46 and 494,581.76

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Solution

The fourth proportional to 881,680.53, 1,216,732.46 and 494,581.76 is: 682,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,680.53 : 1,216,732.46 = 494,581.76 : x
  2. Step 2: Convert to fraction form
    881,680.53/1,216,732.46 = 494,581.76/x
  3. Step 3: Cross multiply
    881,680.53x = 1,216,732.46 × 494,581.76
  4. Step 4: Simplify right side
    881,680.53x = 601,773,672,959.36
  5. Step 5: Solve for x
    x = 601,773,672,959.36/881,680.53
  6. Step 6: Final answer
    x = 682,530.30

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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.