Home / 766,669.65-1,057,286.52-605,908.77

Finding the Fourth Proportional to 766,669.65, 1,057,286.52 and 605,908.77

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Solution

The fourth proportional to 766,669.65, 1,057,286.52 and 605,908.77 is: 835,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,669.65 : 1,057,286.52 = 605,908.77 : x
  2. Step 2: Convert to fraction form
    766,669.65/1,057,286.52 = 605,908.77/x
  3. Step 3: Cross multiply
    766,669.65x = 1,057,286.52 × 605,908.77
  4. Step 4: Simplify right side
    766,669.65x = 640,619,174,870.78
  5. Step 5: Solve for x
    x = 640,619,174,870.78/766,669.65
  6. Step 6: Final answer
    x = 835,586.98

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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.