Home / 1,040,678.15-1,436,578.53-632,910.96

Finding the Fourth Proportional to 1,040,678.15, 1,436,578.53 and 632,910.96

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Solution

The fourth proportional to 1,040,678.15, 1,436,578.53 and 632,910.96 is: 873,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,678.15 : 1,436,578.53 = 632,910.96 : x
  2. Step 2: Convert to fraction form
    1,040,678.15/1,436,578.53 = 632,910.96/x
  3. Step 3: Cross multiply
    1,040,678.15x = 1,436,578.53 × 632,910.96
  4. Step 4: Simplify right side
    1,040,678.15x = 909,226,296,537.69
  5. Step 5: Solve for x
    x = 909,226,296,537.69/1,040,678.15
  6. Step 6: Final answer
    x = 873,686.36

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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.