Home / 1,192,434.91-1,788,709.78-393,698.77

Finding the Fourth Proportional to 1,192,434.91, 1,788,709.78 and 393,698.77

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Solution

The fourth proportional to 1,192,434.91, 1,788,709.78 and 393,698.77 is: 590,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,434.91 : 1,788,709.78 = 393,698.77 : x
  2. Step 2: Convert to fraction form
    1,192,434.91/1,788,709.78 = 393,698.77/x
  3. Step 3: Cross multiply
    1,192,434.91x = 1,788,709.78 × 393,698.77
  4. Step 4: Simplify right side
    1,192,434.91x = 704,212,840,272.97
  5. Step 5: Solve for x
    x = 704,212,840,272.97/1,192,434.91
  6. Step 6: Final answer
    x = 590,567.11

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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.