Home / 1,136,821.77-1,568,810.84-627,520.50

Finding the Fourth Proportional to 1,136,821.77, 1,568,810.84 and 627,520.50

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Solution

The fourth proportional to 1,136,821.77, 1,568,810.84 and 627,520.50 is: 865,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,821.77 : 1,568,810.84 = 627,520.50 : x
  2. Step 2: Convert to fraction form
    1,136,821.77/1,568,810.84 = 627,520.50/x
  3. Step 3: Cross multiply
    1,136,821.77x = 1,568,810.84 × 627,520.50
  4. Step 4: Simplify right side
    1,136,821.77x = 984,460,959,584.62
  5. Step 5: Solve for x
    x = 984,460,959,584.62/1,136,821.77
  6. Step 6: Final answer
    x = 865,976.52

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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.