Home / 1,216,366.12-1,824,846.70-857,237.64

Finding the Fourth Proportional to 1,216,366.12, 1,824,846.70 and 857,237.64

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Solution

The fourth proportional to 1,216,366.12, 1,824,846.70 and 857,237.64 is: 1,286,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,366.12 : 1,824,846.70 = 857,237.64 : x
  2. Step 2: Convert to fraction form
    1,216,366.12/1,824,846.70 = 857,237.64/x
  3. Step 3: Cross multiply
    1,216,366.12x = 1,824,846.70 × 857,237.64
  4. Step 4: Simplify right side
    1,216,366.12x = 1,564,327,278,469.79
  5. Step 5: Solve for x
    x = 1,564,327,278,469.79/1,216,366.12
  6. Step 6: Final answer
    x = 1,286,066.14

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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.