Home / 969,974.10-1,338,100.66-753,633.62

Finding the Fourth Proportional to 969,974.10, 1,338,100.66 and 753,633.62

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Solution

The fourth proportional to 969,974.10, 1,338,100.66 and 753,633.62 is: 1,039,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,974.10 : 1,338,100.66 = 753,633.62 : x
  2. Step 2: Convert to fraction form
    969,974.10/1,338,100.66 = 753,633.62/x
  3. Step 3: Cross multiply
    969,974.10x = 1,338,100.66 × 753,633.62
  4. Step 4: Simplify right side
    969,974.10x = 1,008,437,644,320.19
  5. Step 5: Solve for x
    x = 1,008,437,644,320.19/969,974.10
  6. Step 6: Final answer
    x = 1,039,654.20

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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.