Home / 1,216,798.15-1,823,910.12-458,311.44

Finding the Fourth Proportional to 1,216,798.15, 1,823,910.12 and 458,311.44

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Solution

The fourth proportional to 1,216,798.15, 1,823,910.12 and 458,311.44 is: 686,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,798.15 : 1,823,910.12 = 458,311.44 : x
  2. Step 2: Convert to fraction form
    1,216,798.15/1,823,910.12 = 458,311.44/x
  3. Step 3: Cross multiply
    1,216,798.15x = 1,823,910.12 × 458,311.44
  4. Step 4: Simplify right side
    1,216,798.15x = 835,918,873,527.77
  5. Step 5: Solve for x
    x = 835,918,873,527.77/1,216,798.15
  6. Step 6: Final answer
    x = 686,982.37

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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.