Home / 823,809.88-1,136,270.59-756,045.69

Finding the Fourth Proportional to 823,809.88, 1,136,270.59 and 756,045.69

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Solution

The fourth proportional to 823,809.88, 1,136,270.59 and 756,045.69 is: 1,042,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,809.88 : 1,136,270.59 = 756,045.69 : x
  2. Step 2: Convert to fraction form
    823,809.88/1,136,270.59 = 756,045.69/x
  3. Step 3: Cross multiply
    823,809.88x = 1,136,270.59 × 756,045.69
  4. Step 4: Simplify right side
    823,809.88x = 859,072,482,243.26
  5. Step 5: Solve for x
    x = 859,072,482,243.26/823,809.88
  6. Step 6: Final answer
    x = 1,042,804.30

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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.