Home / 1,173,217.38-1,619,039.98-636,673.38

Finding the Fourth Proportional to 1,173,217.38, 1,619,039.98 and 636,673.38

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Solution

The fourth proportional to 1,173,217.38, 1,619,039.98 and 636,673.38 is: 878,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,217.38 : 1,619,039.98 = 636,673.38 : x
  2. Step 2: Convert to fraction form
    1,173,217.38/1,619,039.98 = 636,673.38/x
  3. Step 3: Cross multiply
    1,173,217.38x = 1,619,039.98 × 636,673.38
  4. Step 4: Simplify right side
    1,173,217.38x = 1,030,799,648,326.53
  5. Step 5: Solve for x
    x = 1,030,799,648,326.53/1,173,217.38
  6. Step 6: Final answer
    x = 878,609.26

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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.