Home / 1,216,906.96-1,825,659.34-418,199.98

Finding the Fourth Proportional to 1,216,906.96, 1,825,659.34 and 418,199.98

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Solution

The fourth proportional to 1,216,906.96, 1,825,659.34 and 418,199.98 is: 627,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,906.96 : 1,825,659.34 = 418,199.98 : x
  2. Step 2: Convert to fraction form
    1,216,906.96/1,825,659.34 = 418,199.98/x
  3. Step 3: Cross multiply
    1,216,906.96x = 1,825,659.34 × 418,199.98
  4. Step 4: Simplify right side
    1,216,906.96x = 763,490,697,288.28
  5. Step 5: Solve for x
    x = 763,490,697,288.28/1,216,906.96
  6. Step 6: Final answer
    x = 627,402.69

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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.