Home / 1,186,194.00-1,636,944.77-642,329.75

Finding the Fourth Proportional to 1,186,194.00, 1,636,944.77 and 642,329.75

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Solution

The fourth proportional to 1,186,194.00, 1,636,944.77 and 642,329.75 is: 886,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,194.00 : 1,636,944.77 = 642,329.75 : x
  2. Step 2: Convert to fraction form
    1,186,194.00/1,636,944.77 = 642,329.75/x
  3. Step 3: Cross multiply
    1,186,194.00x = 1,636,944.77 × 642,329.75
  4. Step 4: Simplify right side
    1,186,194.00x = 1,051,458,319,561.73
  5. Step 5: Solve for x
    x = 1,051,458,319,561.73/1,186,194.00
  6. Step 6: Final answer
    x = 886,413.46

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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.