Home / 1,221,181.76-1,831,399.20-844,523.12

Finding the Fourth Proportional to 1,221,181.76, 1,831,399.20 and 844,523.12

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Solution

The fourth proportional to 1,221,181.76, 1,831,399.20 and 844,523.12 is: 1,266,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,181.76 : 1,831,399.20 = 844,523.12 : x
  2. Step 2: Convert to fraction form
    1,221,181.76/1,831,399.20 = 844,523.12/x
  3. Step 3: Cross multiply
    1,221,181.76x = 1,831,399.20 × 844,523.12
  4. Step 4: Simplify right side
    1,221,181.76x = 1,546,658,966,349.50
  5. Step 5: Solve for x
    x = 1,546,658,966,349.50/1,221,181.76
  6. Step 6: Final answer
    x = 1,266,526.42

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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.