Home / 859,620.52-1,185,973.14-491,829

Finding the Fourth Proportional to 859,620.52, 1,185,973.14 and 491,829

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Solution

The fourth proportional to 859,620.52, 1,185,973.14 and 491,829 is: 678,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,620.52 : 1,185,973.14 = 491,829 : x
  2. Step 2: Convert to fraction form
    859,620.52/1,185,973.14 = 491,829/x
  3. Step 3: Cross multiply
    859,620.52x = 1,185,973.14 × 491,829
  4. Step 4: Simplify right side
    859,620.52x = 583,295,983,473.06
  5. Step 5: Solve for x
    x = 583,295,983,473.06/859,620.52
  6. Step 6: Final answer
    x = 678,550.56

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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.