Home / 1,216,314.24-1,678,780.11-707,310.24

Finding the Fourth Proportional to 1,216,314.24, 1,678,780.11 and 707,310.24

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Solution

The fourth proportional to 1,216,314.24, 1,678,780.11 and 707,310.24 is: 976,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,314.24 : 1,678,780.11 = 707,310.24 : x
  2. Step 2: Convert to fraction form
    1,216,314.24/1,678,780.11 = 707,310.24/x
  3. Step 3: Cross multiply
    1,216,314.24x = 1,678,780.11 × 707,310.24
  4. Step 4: Simplify right side
    1,216,314.24x = 1,187,418,362,511.33
  5. Step 5: Solve for x
    x = 1,187,418,362,511.33/1,216,314.24
  6. Step 6: Final answer
    x = 976,243.08

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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.