Home / 1,199,318.11-1,654,899.09-770,179.52

Finding the Fourth Proportional to 1,199,318.11, 1,654,899.09 and 770,179.52

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Solution

The fourth proportional to 1,199,318.11, 1,654,899.09 and 770,179.52 is: 1,062,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,318.11 : 1,654,899.09 = 770,179.52 : x
  2. Step 2: Convert to fraction form
    1,199,318.11/1,654,899.09 = 770,179.52/x
  3. Step 3: Cross multiply
    1,199,318.11x = 1,654,899.09 × 770,179.52
  4. Step 4: Simplify right side
    1,199,318.11x = 1,274,569,386,784.64
  5. Step 5: Solve for x
    x = 1,274,569,386,784.64/1,199,318.11
  6. Step 6: Final answer
    x = 1,062,745.05

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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.