Home / 982,110.87-1,355,109.77-574,133.82

Finding the Fourth Proportional to 982,110.87, 1,355,109.77 and 574,133.82

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Solution

The fourth proportional to 982,110.87, 1,355,109.77 and 574,133.82 is: 792,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,110.87 : 1,355,109.77 = 574,133.82 : x
  2. Step 2: Convert to fraction form
    982,110.87/1,355,109.77 = 574,133.82/x
  3. Step 3: Cross multiply
    982,110.87x = 1,355,109.77 × 574,133.82
  4. Step 4: Simplify right side
    982,110.87x = 778,014,341,993.87
  5. Step 5: Solve for x
    x = 778,014,341,993.87/982,110.87
  6. Step 6: Final answer
    x = 792,185.86

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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.