Home / 1,136,645.90-1,568,459.67-627,315.38

Finding the Fourth Proportional to 1,136,645.90, 1,568,459.67 and 627,315.38

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Solution

The fourth proportional to 1,136,645.90, 1,568,459.67 and 627,315.38 is: 865,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,645.90 : 1,568,459.67 = 627,315.38 : x
  2. Step 2: Convert to fraction form
    1,136,645.90/1,568,459.67 = 627,315.38/x
  3. Step 3: Cross multiply
    1,136,645.90x = 1,568,459.67 × 627,315.38
  4. Step 4: Simplify right side
    1,136,645.90x = 983,918,873,900.73
  5. Step 5: Solve for x
    x = 983,918,873,900.73/1,136,645.90
  6. Step 6: Final answer
    x = 865,633.59

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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.