Home / 1,473,155.73-2,209,089.42-743,229.90

Finding the Fourth Proportional to 1,473,155.73, 2,209,089.42 and 743,229.90

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Solution

The fourth proportional to 1,473,155.73, 2,209,089.42 and 743,229.90 is: 1,114,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,155.73 : 2,209,089.42 = 743,229.90 : x
  2. Step 2: Convert to fraction form
    1,473,155.73/2,209,089.42 = 743,229.90/x
  3. Step 3: Cross multiply
    1,473,155.73x = 2,209,089.42 × 743,229.90
  4. Step 4: Simplify right side
    1,473,155.73x = 1,641,861,308,717.66
  5. Step 5: Solve for x
    x = 1,641,861,308,717.66/1,473,155.73
  6. Step 6: Final answer
    x = 1,114,519.85

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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.