Home / 1,162,414.80-1,740,511.80-739,400.40

Finding the Fourth Proportional to 1,162,414.80, 1,740,511.80 and 739,400.40

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Solution

The fourth proportional to 1,162,414.80, 1,740,511.80 and 739,400.40 is: 1,107,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,414.80 : 1,740,511.80 = 739,400.40 : x
  2. Step 2: Convert to fraction form
    1,162,414.80/1,740,511.80 = 739,400.40/x
  3. Step 3: Cross multiply
    1,162,414.80x = 1,740,511.80 × 739,400.40
  4. Step 4: Simplify right side
    1,162,414.80x = 1,286,935,121,124.72
  5. Step 5: Solve for x
    x = 1,286,935,121,124.72/1,162,414.80
  6. Step 6: Final answer
    x = 1,107,122.11

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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.