Home / 1,299,397.80-1,947,788.24-541,658.82

Finding the Fourth Proportional to 1,299,397.80, 1,947,788.24 and 541,658.82

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Solution

The fourth proportional to 1,299,397.80, 1,947,788.24 and 541,658.82 is: 811,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,397.80 : 1,947,788.24 = 541,658.82 : x
  2. Step 2: Convert to fraction form
    1,299,397.80/1,947,788.24 = 541,658.82/x
  3. Step 3: Cross multiply
    1,299,397.80x = 1,947,788.24 × 541,658.82
  4. Step 4: Simplify right side
    1,299,397.80x = 1,055,036,676,979.98
  5. Step 5: Solve for x
    x = 1,055,036,676,979.98/1,299,397.80
  6. Step 6: Final answer
    x = 811,942.79

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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.