Home / 1,136,205.64-1,567,996.62-626,940.80

Finding the Fourth Proportional to 1,136,205.64, 1,567,996.62 and 626,940.80

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Solution

The fourth proportional to 1,136,205.64, 1,567,996.62 and 626,940.80 is: 865,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,205.64 : 1,567,996.62 = 626,940.80 : x
  2. Step 2: Convert to fraction form
    1,136,205.64/1,567,996.62 = 626,940.80/x
  3. Step 3: Cross multiply
    1,136,205.64x = 1,567,996.62 × 626,940.80
  4. Step 4: Simplify right side
    1,136,205.64x = 983,041,055,340.10
  5. Step 5: Solve for x
    x = 983,041,055,340.10/1,136,205.64
  6. Step 6: Final answer
    x = 865,196.42

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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.