Home / 1,090,651.32-1,636,453.26-381,188.52

Finding the Fourth Proportional to 1,090,651.32, 1,636,453.26 and 381,188.52

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Solution

The fourth proportional to 1,090,651.32, 1,636,453.26 and 381,188.52 is: 571,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,651.32 : 1,636,453.26 = 381,188.52 : x
  2. Step 2: Convert to fraction form
    1,090,651.32/1,636,453.26 = 381,188.52/x
  3. Step 3: Cross multiply
    1,090,651.32x = 1,636,453.26 × 381,188.52
  4. Step 4: Simplify right side
    1,090,651.32x = 623,797,196,228.58
  5. Step 5: Solve for x
    x = 623,797,196,228.58/1,090,651.32
  6. Step 6: Final answer
    x = 571,949.24

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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.