Home / 1,728,374.12-2,384,800.19-993,186.39

Finding the Fourth Proportional to 1,728,374.12, 2,384,800.19 and 993,186.39

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Solution

The fourth proportional to 1,728,374.12, 2,384,800.19 and 993,186.39 is: 1,370,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,374.12 : 2,384,800.19 = 993,186.39 : x
  2. Step 2: Convert to fraction form
    1,728,374.12/2,384,800.19 = 993,186.39/x
  3. Step 3: Cross multiply
    1,728,374.12x = 2,384,800.19 × 993,186.39
  4. Step 4: Simplify right side
    1,728,374.12x = 2,368,551,091,577.41
  5. Step 5: Solve for x
    x = 2,368,551,091,577.41/1,728,374.12
  6. Step 6: Final answer
    x = 1,370,392.60

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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.