Home / 1,511,655.09-2,086,086.14-823,329.64

Finding the Fourth Proportional to 1,511,655.09, 2,086,086.14 and 823,329.64

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Solution

The fourth proportional to 1,511,655.09, 2,086,086.14 and 823,329.64 is: 1,136,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,655.09 : 2,086,086.14 = 823,329.64 : x
  2. Step 2: Convert to fraction form
    1,511,655.09/2,086,086.14 = 823,329.64/x
  3. Step 3: Cross multiply
    1,511,655.09x = 2,086,086.14 × 823,329.64
  4. Step 4: Simplify right side
    1,511,655.09x = 1,717,536,550,655.19
  5. Step 5: Solve for x
    x = 1,717,536,550,655.19/1,511,655.09
  6. Step 6: Final answer
    x = 1,136,196.06

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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.