Home / 1,205,669.62-1,663,067.23-715,291.98

Finding the Fourth Proportional to 1,205,669.62, 1,663,067.23 and 715,291.98

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Solution

The fourth proportional to 1,205,669.62, 1,663,067.23 and 715,291.98 is: 986,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,669.62 : 1,663,067.23 = 715,291.98 : x
  2. Step 2: Convert to fraction form
    1,205,669.62/1,663,067.23 = 715,291.98/x
  3. Step 3: Cross multiply
    1,205,669.62x = 1,663,067.23 × 715,291.98
  4. Step 4: Simplify right side
    1,205,669.62x = 1,189,578,651,819.82
  5. Step 5: Solve for x
    x = 1,189,578,651,819.82/1,205,669.62
  6. Step 6: Final answer
    x = 986,653.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.