Home / 1,326,560.92-1,988,140.38-965,817.88

Finding the Fourth Proportional to 1,326,560.92, 1,988,140.38 and 965,817.88

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Solution

The fourth proportional to 1,326,560.92, 1,988,140.38 and 965,817.88 is: 1,447,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,560.92 : 1,988,140.38 = 965,817.88 : x
  2. Step 2: Convert to fraction form
    1,326,560.92/1,988,140.38 = 965,817.88/x
  3. Step 3: Cross multiply
    1,326,560.92x = 1,988,140.38 × 965,817.88
  4. Step 4: Simplify right side
    1,326,560.92x = 1,920,181,526,953.99
  5. Step 5: Solve for x
    x = 1,920,181,526,953.99/1,326,560.92
  6. Step 6: Final answer
    x = 1,447,488.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.