Home / 1,057,816.78-1,459,581.84-628,231.66

Finding the Fourth Proportional to 1,057,816.78, 1,459,581.84 and 628,231.66

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Solution

The fourth proportional to 1,057,816.78, 1,459,581.84 and 628,231.66 is: 866,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,816.78 : 1,459,581.84 = 628,231.66 : x
  2. Step 2: Convert to fraction form
    1,057,816.78/1,459,581.84 = 628,231.66/x
  3. Step 3: Cross multiply
    1,057,816.78x = 1,459,581.84 × 628,231.66
  4. Step 4: Simplify right side
    1,057,816.78x = 916,955,522,249.06
  5. Step 5: Solve for x
    x = 916,955,522,249.06/1,057,816.78
  6. Step 6: Final answer
    x = 866,837.75

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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.