Home / 725,991.12-1,001,826.50-403,694.28

Finding the Fourth Proportional to 725,991.12, 1,001,826.50 and 403,694.28

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Solution

The fourth proportional to 725,991.12, 1,001,826.50 and 403,694.28 is: 557,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,991.12 : 1,001,826.50 = 403,694.28 : x
  2. Step 2: Convert to fraction form
    725,991.12/1,001,826.50 = 403,694.28/x
  3. Step 3: Cross multiply
    725,991.12x = 1,001,826.50 × 403,694.28
  4. Step 4: Simplify right side
    725,991.12x = 404,431,627,602.42
  5. Step 5: Solve for x
    x = 404,431,627,602.42/725,991.12
  6. Step 6: Final answer
    x = 557,075.17

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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.