Home / 979,961.16-1,352,339.82-617,619

Finding the Fourth Proportional to 979,961.16, 1,352,339.82 and 617,619

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Solution

The fourth proportional to 979,961.16, 1,352,339.82 and 617,619 is: 852,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,961.16 : 1,352,339.82 = 617,619 : x
  2. Step 2: Convert to fraction form
    979,961.16/1,352,339.82 = 617,619/x
  3. Step 3: Cross multiply
    979,961.16x = 1,352,339.82 × 617,619
  4. Step 4: Simplify right side
    979,961.16x = 835,230,767,288.58
  5. Step 5: Solve for x
    x = 835,230,767,288.58/979,961.16
  6. Step 6: Final answer
    x = 852,310.07

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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.