Home / 1,242,855.06-1,863,979.65-344,273.46

Finding the Fourth Proportional to 1,242,855.06, 1,863,979.65 and 344,273.46

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Solution

The fourth proportional to 1,242,855.06, 1,863,979.65 and 344,273.46 is: 516,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,855.06 : 1,863,979.65 = 344,273.46 : x
  2. Step 2: Convert to fraction form
    1,242,855.06/1,863,979.65 = 344,273.46/x
  3. Step 3: Cross multiply
    1,242,855.06x = 1,863,979.65 × 344,273.46
  4. Step 4: Simplify right side
    1,242,855.06x = 641,718,723,475.09
  5. Step 5: Solve for x
    x = 641,718,723,475.09/1,242,855.06
  6. Step 6: Final answer
    x = 516,326.27

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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.