Home / 1,384,634.04-1,910,793.96-781,022.04

Finding the Fourth Proportional to 1,384,634.04, 1,910,793.96 and 781,022.04

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Solution

The fourth proportional to 1,384,634.04, 1,910,793.96 and 781,022.04 is: 1,077,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,634.04 : 1,910,793.96 = 781,022.04 : x
  2. Step 2: Convert to fraction form
    1,384,634.04/1,910,793.96 = 781,022.04/x
  3. Step 3: Cross multiply
    1,384,634.04x = 1,910,793.96 × 781,022.04
  4. Step 4: Simplify right side
    1,384,634.04x = 1,492,372,196,658.88
  5. Step 5: Solve for x
    x = 1,492,372,196,658.88/1,384,634.04
  6. Step 6: Final answer
    x = 1,077,809.84

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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.