Home / 1,821,501.25-2,732,383.11-699,570.25

Finding the Fourth Proportional to 1,821,501.25, 2,732,383.11 and 699,570.25

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Solution

The fourth proportional to 1,821,501.25, 2,732,383.11 and 699,570.25 is: 1,049,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,501.25 : 2,732,383.11 = 699,570.25 : x
  2. Step 2: Convert to fraction form
    1,821,501.25/2,732,383.11 = 699,570.25/x
  3. Step 3: Cross multiply
    1,821,501.25x = 2,732,383.11 × 699,570.25
  4. Step 4: Simplify right side
    1,821,501.25x = 1,911,493,935,358.48
  5. Step 5: Solve for x
    x = 1,911,493,935,358.48/1,821,501.25
  6. Step 6: Final answer
    x = 1,049,405.78

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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.