Home / 1,221,732.10-1,831,861.86-547,691.41

Finding the Fourth Proportional to 1,221,732.10, 1,831,861.86 and 547,691.41

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Solution

The fourth proportional to 1,221,732.10, 1,831,861.86 and 547,691.41 is: 821,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,732.10 : 1,831,861.86 = 547,691.41 : x
  2. Step 2: Convert to fraction form
    1,221,732.10/1,831,861.86 = 547,691.41/x
  3. Step 3: Cross multiply
    1,221,732.10x = 1,831,861.86 × 547,691.41
  4. Step 4: Simplify right side
    1,221,732.10x = 1,003,295,005,028.62
  5. Step 5: Solve for x
    x = 1,003,295,005,028.62/1,221,732.10
  6. Step 6: Final answer
    x = 821,207.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.