Home / 1,192,435.91-1,788,711.28-393,699.77

Finding the Fourth Proportional to 1,192,435.91, 1,788,711.28 and 393,699.77

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Solution

The fourth proportional to 1,192,435.91, 1,788,711.28 and 393,699.77 is: 590,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,435.91 : 1,788,711.28 = 393,699.77 : x
  2. Step 2: Convert to fraction form
    1,192,435.91/1,788,711.28 = 393,699.77/x
  3. Step 3: Cross multiply
    1,192,435.91x = 1,788,711.28 × 393,699.77
  4. Step 4: Simplify right side
    1,192,435.91x = 704,215,219,532.41
  5. Step 5: Solve for x
    x = 704,215,219,532.41/1,192,435.91
  6. Step 6: Final answer
    x = 590,568.61

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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.