Home / 1,136,678.76-1,568,504.94-627,348.30

Finding the Fourth Proportional to 1,136,678.76, 1,568,504.94 and 627,348.30

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Solution

The fourth proportional to 1,136,678.76, 1,568,504.94 and 627,348.30 is: 865,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,678.76 : 1,568,504.94 = 627,348.30 : x
  2. Step 2: Convert to fraction form
    1,136,678.76/1,568,504.94 = 627,348.30/x
  3. Step 3: Cross multiply
    1,136,678.76x = 1,568,504.94 × 627,348.30
  4. Step 4: Simplify right side
    1,136,678.76x = 983,998,907,650.60
  5. Step 5: Solve for x
    x = 983,998,907,650.60/1,136,678.76
  6. Step 6: Final answer
    x = 865,678.98

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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.