Home / 1,179,087.60-1,768,975.92-380,351.52

Finding the Fourth Proportional to 1,179,087.60, 1,768,975.92 and 380,351.52

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Solution

The fourth proportional to 1,179,087.60, 1,768,975.92 and 380,351.52 is: 570,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,087.60 : 1,768,975.92 = 380,351.52 : x
  2. Step 2: Convert to fraction form
    1,179,087.60/1,768,975.92 = 380,351.52/x
  3. Step 3: Cross multiply
    1,179,087.60x = 1,768,975.92 × 380,351.52
  4. Step 4: Simplify right side
    1,179,087.60x = 672,832,680,015.40
  5. Step 5: Solve for x
    x = 672,832,680,015.40/1,179,087.60
  6. Step 6: Final answer
    x = 570,638.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.