Home / 1,214,049.40-1,821,730.20-540,234.70

Finding the Fourth Proportional to 1,214,049.40, 1,821,730.20 and 540,234.70

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Solution

The fourth proportional to 1,214,049.40, 1,821,730.20 and 540,234.70 is: 810,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,049.40 : 1,821,730.20 = 540,234.70 : x
  2. Step 2: Convert to fraction form
    1,214,049.40/1,821,730.20 = 540,234.70/x
  3. Step 3: Cross multiply
    1,214,049.40x = 1,821,730.20 × 540,234.70
  4. Step 4: Simplify right side
    1,214,049.40x = 984,161,868,077.94
  5. Step 5: Solve for x
    x = 984,161,868,077.94/1,214,049.40
  6. Step 6: Final answer
    x = 810,644.01

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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.