Home / 1,215,585.74-1,823,449.94-457,433.66

Finding the Fourth Proportional to 1,215,585.74, 1,823,449.94 and 457,433.66

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Solution

The fourth proportional to 1,215,585.74, 1,823,449.94 and 457,433.66 is: 686,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,585.74 : 1,823,449.94 = 457,433.66 : x
  2. Step 2: Convert to fraction form
    1,215,585.74/1,823,449.94 = 457,433.66/x
  3. Step 3: Cross multiply
    1,215,585.74x = 1,823,449.94 × 457,433.66
  4. Step 4: Simplify right side
    1,215,585.74x = 834,107,368,476.56
  5. Step 5: Solve for x
    x = 834,107,368,476.56/1,215,585.74
  6. Step 6: Final answer
    x = 686,177.33

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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.