Home / 1,136,239.60-1,568,043.21-626,974.78

Finding the Fourth Proportional to 1,136,239.60, 1,568,043.21 and 626,974.78

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Solution

The fourth proportional to 1,136,239.60, 1,568,043.21 and 626,974.78 is: 865,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,239.60 : 1,568,043.21 = 626,974.78 : x
  2. Step 2: Convert to fraction form
    1,136,239.60/1,568,043.21 = 626,974.78/x
  3. Step 3: Cross multiply
    1,136,239.60x = 1,568,043.21 × 626,974.78
  4. Step 4: Simplify right side
    1,136,239.60x = 983,123,546,620.24
  5. Step 5: Solve for x
    x = 983,123,546,620.24/1,136,239.60
  6. Step 6: Final answer
    x = 865,243.16

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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.