Home / 1,451,954.88-2,178,036-386,991.36

Finding the Fourth Proportional to 1,451,954.88, 2,178,036 and 386,991.36

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Solution

The fourth proportional to 1,451,954.88, 2,178,036 and 386,991.36 is: 580,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,954.88 : 2,178,036 = 386,991.36 : x
  2. Step 2: Convert to fraction form
    1,451,954.88/2,178,036 = 386,991.36/x
  3. Step 3: Cross multiply
    1,451,954.88x = 2,178,036 × 386,991.36
  4. Step 4: Simplify right side
    1,451,954.88x = 842,881,113,768.96
  5. Step 5: Solve for x
    x = 842,881,113,768.96/1,451,954.88
  6. Step 6: Final answer
    x = 580,514.67

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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.