Home / 1,396,246.80-2,092,401.90-862,181.40

Finding the Fourth Proportional to 1,396,246.80, 2,092,401.90 and 862,181.40

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Solution

The fourth proportional to 1,396,246.80, 2,092,401.90 and 862,181.40 is: 1,292,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,246.80 : 2,092,401.90 = 862,181.40 : x
  2. Step 2: Convert to fraction form
    1,396,246.80/2,092,401.90 = 862,181.40/x
  3. Step 3: Cross multiply
    1,396,246.80x = 2,092,401.90 × 862,181.40
  4. Step 4: Simplify right side
    1,396,246.80x = 1,804,029,999,504.66
  5. Step 5: Solve for x
    x = 1,804,029,999,504.66/1,396,246.80
  6. Step 6: Final answer
    x = 1,292,056.68

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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.