Home / 1,798,416.84-2,698,953.87-851,787.56

Finding the Fourth Proportional to 1,798,416.84, 2,698,953.87 and 851,787.56

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Solution

The fourth proportional to 1,798,416.84, 2,698,953.87 and 851,787.56 is: 1,278,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,416.84 : 2,698,953.87 = 851,787.56 : x
  2. Step 2: Convert to fraction form
    1,798,416.84/2,698,953.87 = 851,787.56/x
  3. Step 3: Cross multiply
    1,798,416.84x = 2,698,953.87 × 851,787.56
  4. Step 4: Simplify right side
    1,798,416.84x = 2,298,935,336,630.14
  5. Step 5: Solve for x
    x = 2,298,935,336,630.14/1,798,416.84
  6. Step 6: Final answer
    x = 1,278,310.61

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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.