Home / 1,418,035.19-1,956,894.64-773,469.21

Finding the Fourth Proportional to 1,418,035.19, 1,956,894.64 and 773,469.21

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Solution

The fourth proportional to 1,418,035.19, 1,956,894.64 and 773,469.21 is: 1,067,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,035.19 : 1,956,894.64 = 773,469.21 : x
  2. Step 2: Convert to fraction form
    1,418,035.19/1,956,894.64 = 773,469.21/x
  3. Step 3: Cross multiply
    1,418,035.19x = 1,956,894.64 × 773,469.21
  4. Step 4: Simplify right side
    1,418,035.19x = 1,513,597,756,658.72
  5. Step 5: Solve for x
    x = 1,513,597,756,658.72/1,418,035.19
  6. Step 6: Final answer
    x = 1,067,390.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.