Home / 979,720.11-1,352,161.35-597,968.73

Finding the Fourth Proportional to 979,720.11, 1,352,161.35 and 597,968.73

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Solution

The fourth proportional to 979,720.11, 1,352,161.35 and 597,968.73 is: 825,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,720.11 : 1,352,161.35 = 597,968.73 : x
  2. Step 2: Convert to fraction form
    979,720.11/1,352,161.35 = 597,968.73/x
  3. Step 3: Cross multiply
    979,720.11x = 1,352,161.35 × 597,968.73
  4. Step 4: Simplify right side
    979,720.11x = 808,550,205,214.59
  5. Step 5: Solve for x
    x = 808,550,205,214.59/979,720.11
  6. Step 6: Final answer
    x = 825,286.93

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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.