Home / 1,173,177.13-1,618,984.43-636,633.13

Finding the Fourth Proportional to 1,173,177.13, 1,618,984.43 and 636,633.13

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Solution

The fourth proportional to 1,173,177.13, 1,618,984.43 and 636,633.13 is: 878,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,177.13 : 1,618,984.43 = 636,633.13 : x
  2. Step 2: Convert to fraction form
    1,173,177.13/1,618,984.43 = 636,633.13/x
  3. Step 3: Cross multiply
    1,173,177.13x = 1,618,984.43 × 636,633.13
  4. Step 4: Simplify right side
    1,173,177.13x = 1,030,699,125,092.17
  5. Step 5: Solve for x
    x = 1,030,699,125,092.17/1,173,177.13
  6. Step 6: Final answer
    x = 878,553.71

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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.