Home / 1,285,832.48-1,773,217.86-769,498.52

Finding the Fourth Proportional to 1,285,832.48, 1,773,217.86 and 769,498.52

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Solution

The fourth proportional to 1,285,832.48, 1,773,217.86 and 769,498.52 is: 1,061,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,832.48 : 1,773,217.86 = 769,498.52 : x
  2. Step 2: Convert to fraction form
    1,285,832.48/1,773,217.86 = 769,498.52/x
  3. Step 3: Cross multiply
    1,285,832.48x = 1,773,217.86 × 769,498.52
  4. Step 4: Simplify right side
    1,285,832.48x = 1,364,488,518,907.57
  5. Step 5: Solve for x
    x = 1,364,488,518,907.57/1,285,832.48
  6. Step 6: Final answer
    x = 1,061,171.30

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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.