Home / 766,663.40-1,057,277.89-605,902.51

Finding the Fourth Proportional to 766,663.40, 1,057,277.89 and 605,902.51

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Solution

The fourth proportional to 766,663.40, 1,057,277.89 and 605,902.51 is: 835,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,663.40 : 1,057,277.89 = 605,902.51 : x
  2. Step 2: Convert to fraction form
    766,663.40/1,057,277.89 = 605,902.51/x
  3. Step 3: Cross multiply
    766,663.40x = 1,057,277.89 × 605,902.51
  4. Step 4: Simplify right side
    766,663.40x = 640,607,327,318.50
  5. Step 5: Solve for x
    x = 640,607,327,318.50/766,663.40
  6. Step 6: Final answer
    x = 835,578.34

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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.