Home / 1,173,169.60-1,618,974.06-636,625.60

Finding the Fourth Proportional to 1,173,169.60, 1,618,974.06 and 636,625.60

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Solution

The fourth proportional to 1,173,169.60, 1,618,974.06 and 636,625.60 is: 878,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,169.60 : 1,618,974.06 = 636,625.60 : x
  2. Step 2: Convert to fraction form
    1,173,169.60/1,618,974.06 = 636,625.60/x
  3. Step 3: Cross multiply
    1,173,169.60x = 1,618,974.06 × 636,625.60
  4. Step 4: Simplify right side
    1,173,169.60x = 1,030,680,332,331.94
  5. Step 5: Solve for x
    x = 1,030,680,332,331.94/1,173,169.60
  6. Step 6: Final answer
    x = 878,543.33

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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.