Home / 1,220,896.83-1,831,607.70-411,361.69

Finding the Fourth Proportional to 1,220,896.83, 1,831,607.70 and 411,361.69

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Solution

The fourth proportional to 1,220,896.83, 1,831,607.70 and 411,361.69 is: 617,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,896.83 : 1,831,607.70 = 411,361.69 : x
  2. Step 2: Convert to fraction form
    1,220,896.83/1,831,607.70 = 411,361.69/x
  3. Step 3: Cross multiply
    1,220,896.83x = 1,831,607.70 × 411,361.69
  4. Step 4: Simplify right side
    1,220,896.83x = 753,453,238,889.01
  5. Step 5: Solve for x
    x = 753,453,238,889.01/1,220,896.83
  6. Step 6: Final answer
    x = 617,130.97

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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.