Home / 1,438,444.62-2,158,040.61-1,182,698.73

Finding the Fourth Proportional to 1,438,444.62, 2,158,040.61 and 1,182,698.73

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Solution

The fourth proportional to 1,438,444.62, 2,158,040.61 and 1,182,698.73 is: 1,774,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,444.62 : 2,158,040.61 = 1,182,698.73 : x
  2. Step 2: Convert to fraction form
    1,438,444.62/2,158,040.61 = 1,182,698.73/x
  3. Step 3: Cross multiply
    1,438,444.62x = 2,158,040.61 × 1,182,698.73
  4. Step 4: Simplify right side
    1,438,444.62x = 2,552,311,888,735.43
  5. Step 5: Solve for x
    x = 2,552,311,888,735.43/1,438,444.62
  6. Step 6: Final answer
    x = 1,774,355.34

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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.