Home / 1,906,079.88-2,858,485.55-768,548.28

Finding the Fourth Proportional to 1,906,079.88, 2,858,485.55 and 768,548.28

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Solution

The fourth proportional to 1,906,079.88, 2,858,485.55 and 768,548.28 is: 1,152,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,079.88 : 2,858,485.55 = 768,548.28 : x
  2. Step 2: Convert to fraction form
    1,906,079.88/2,858,485.55 = 768,548.28/x
  3. Step 3: Cross multiply
    1,906,079.88x = 2,858,485.55 × 768,548.28
  4. Step 4: Simplify right side
    1,906,079.88x = 2,196,884,159,733.93
  5. Step 5: Solve for x
    x = 2,196,884,159,733.93/1,906,079.88
  6. Step 6: Final answer
    x = 1,152,566.68

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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.