Home / 1,142,455.70-1,703,469.68-1,111,067.46

Finding the Fourth Proportional to 1,142,455.70, 1,703,469.68 and 1,111,067.46

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Solution

The fourth proportional to 1,142,455.70, 1,703,469.68 and 1,111,067.46 is: 1,656,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,455.70 : 1,703,469.68 = 1,111,067.46 : x
  2. Step 2: Convert to fraction form
    1,142,455.70/1,703,469.68 = 1,111,067.46/x
  3. Step 3: Cross multiply
    1,142,455.70x = 1,703,469.68 × 1,111,067.46
  4. Step 4: Simplify right side
    1,142,455.70x = 1,892,669,730,544.61
  5. Step 5: Solve for x
    x = 1,892,669,730,544.61/1,142,455.70
  6. Step 6: Final answer
    x = 1,656,667.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.