Home / 1,277,928.75-1,916,565.06-379,157.85

Finding the Fourth Proportional to 1,277,928.75, 1,916,565.06 and 379,157.85

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Solution

The fourth proportional to 1,277,928.75, 1,916,565.06 and 379,157.85 is: 568,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,928.75 : 1,916,565.06 = 379,157.85 : x
  2. Step 2: Convert to fraction form
    1,277,928.75/1,916,565.06 = 379,157.85/x
  3. Step 3: Cross multiply
    1,277,928.75x = 1,916,565.06 × 379,157.85
  4. Step 4: Simplify right side
    1,277,928.75x = 726,680,687,534.72
  5. Step 5: Solve for x
    x = 726,680,687,534.72/1,277,928.75
  6. Step 6: Final answer
    x = 568,639.44

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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.