Home / 1,136,411.52-1,568,280.94-620,198.61

Finding the Fourth Proportional to 1,136,411.52, 1,568,280.94 and 620,198.61

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Solution

The fourth proportional to 1,136,411.52, 1,568,280.94 and 620,198.61 is: 855,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,411.52 : 1,568,280.94 = 620,198.61 : x
  2. Step 2: Convert to fraction form
    1,136,411.52/1,568,280.94 = 620,198.61/x
  3. Step 3: Cross multiply
    1,136,411.52x = 1,568,280.94 × 620,198.61
  4. Step 4: Simplify right side
    1,136,411.52x = 972,645,661,750.75
  5. Step 5: Solve for x
    x = 972,645,661,750.75/1,136,411.52
  6. Step 6: Final answer
    x = 855,892.12

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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.