Home / 1,874,156.25-2,811,234.34-454,212.35

Finding the Fourth Proportional to 1,874,156.25, 2,811,234.34 and 454,212.35

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Solution

The fourth proportional to 1,874,156.25, 2,811,234.34 and 454,212.35 is: 681,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,156.25 : 2,811,234.34 = 454,212.35 : x
  2. Step 2: Convert to fraction form
    1,874,156.25/2,811,234.34 = 454,212.35/x
  3. Step 3: Cross multiply
    1,874,156.25x = 2,811,234.34 × 454,212.35
  4. Step 4: Simplify right side
    1,874,156.25x = 1,276,897,355,972.10
  5. Step 5: Solve for x
    x = 1,276,897,355,972.10/1,874,156.25
  6. Step 6: Final answer
    x = 681,318.52

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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.