Home / 1,191,866.74-1,787,855.19-393,218.08

Finding the Fourth Proportional to 1,191,866.74, 1,787,855.19 and 393,218.08

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Solution

The fourth proportional to 1,191,866.74, 1,787,855.19 and 393,218.08 is: 589,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,866.74 : 1,787,855.19 = 393,218.08 : x
  2. Step 2: Convert to fraction form
    1,191,866.74/1,787,855.19 = 393,218.08/x
  3. Step 3: Cross multiply
    1,191,866.74x = 1,787,855.19 × 393,218.08
  4. Step 4: Simplify right side
    1,191,866.74x = 703,016,979,185.63
  5. Step 5: Solve for x
    x = 703,016,979,185.63/1,191,866.74
  6. Step 6: Final answer
    x = 589,845.29

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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.