Home / 1,220,901.44-1,831,614.60-411,366.32

Finding the Fourth Proportional to 1,220,901.44, 1,831,614.60 and 411,366.32

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Solution

The fourth proportional to 1,220,901.44, 1,831,614.60 and 411,366.32 is: 617,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,901.44 : 1,831,614.60 = 411,366.32 : x
  2. Step 2: Convert to fraction form
    1,220,901.44/1,831,614.60 = 411,366.32/x
  3. Step 3: Cross multiply
    1,220,901.44x = 1,831,614.60 × 411,366.32
  4. Step 4: Simplify right side
    1,220,901.44x = 753,464,557,660.27
  5. Step 5: Solve for x
    x = 753,464,557,660.27/1,220,901.44
  6. Step 6: Final answer
    x = 617,137.91

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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.