Home / 1,621,765.90-2,238,083.66-896,660.43

Finding the Fourth Proportional to 1,621,765.90, 2,238,083.66 and 896,660.43

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Solution

The fourth proportional to 1,621,765.90, 2,238,083.66 and 896,660.43 is: 1,237,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,765.90 : 2,238,083.66 = 896,660.43 : x
  2. Step 2: Convert to fraction form
    1,621,765.90/2,238,083.66 = 896,660.43/x
  3. Step 3: Cross multiply
    1,621,765.90x = 2,238,083.66 × 896,660.43
  4. Step 4: Simplify right side
    1,621,765.90x = 2,006,801,056,951.57
  5. Step 5: Solve for x
    x = 2,006,801,056,951.57/1,621,765.90
  6. Step 6: Final answer
    x = 1,237,417.22

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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.