Home / 1,205,778.52-1,808,833.58-447,555.56

Finding the Fourth Proportional to 1,205,778.52, 1,808,833.58 and 447,555.56

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Solution

The fourth proportional to 1,205,778.52, 1,808,833.58 and 447,555.56 is: 671,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,778.52 : 1,808,833.58 = 447,555.56 : x
  2. Step 2: Convert to fraction form
    1,205,778.52/1,808,833.58 = 447,555.56/x
  3. Step 3: Cross multiply
    1,205,778.52x = 1,808,833.58 × 447,555.56
  4. Step 4: Simplify right side
    1,205,778.52x = 809,553,525,843.71
  5. Step 5: Solve for x
    x = 809,553,525,843.71/1,205,778.52
  6. Step 6: Final answer
    x = 671,394.88

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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.