Home / 853,603.05-1,177,995.97-471,654.43

Finding the Fourth Proportional to 853,603.05, 1,177,995.97 and 471,654.43

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Solution

The fourth proportional to 853,603.05, 1,177,995.97 and 471,654.43 is: 650,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,603.05 : 1,177,995.97 = 471,654.43 : x
  2. Step 2: Convert to fraction form
    853,603.05/1,177,995.97 = 471,654.43/x
  3. Step 3: Cross multiply
    853,603.05x = 1,177,995.97 × 471,654.43
  4. Step 4: Simplify right side
    853,603.05x = 555,607,017,772.65
  5. Step 5: Solve for x
    x = 555,607,017,772.65/853,603.05
  6. Step 6: Final answer
    x = 650,896.24

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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.