Home / 2,277,928.89-3,143,406.78-1,259,272.89

Finding the Fourth Proportional to 2,277,928.89, 3,143,406.78 and 1,259,272.89

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Solution

The fourth proportional to 2,277,928.89, 3,143,406.78 and 1,259,272.89 is: 1,737,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277,928.89 : 3,143,406.78 = 1,259,272.89 : x
  2. Step 2: Convert to fraction form
    2,277,928.89/3,143,406.78 = 1,259,272.89/x
  3. Step 3: Cross multiply
    2,277,928.89x = 3,143,406.78 × 1,259,272.89
  4. Step 4: Simplify right side
    2,277,928.89x = 3,958,406,940,296.19
  5. Step 5: Solve for x
    x = 3,958,406,940,296.19/2,277,928.89
  6. Step 6: Final answer
    x = 1,737,721.91

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1.5x scale

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.