Home / 1,260,933.89-1,891,260.67-451,285.61

Finding the Fourth Proportional to 1,260,933.89, 1,891,260.67 and 451,285.61

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Solution

The fourth proportional to 1,260,933.89, 1,891,260.67 and 451,285.61 is: 676,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,933.89 : 1,891,260.67 = 451,285.61 : x
  2. Step 2: Convert to fraction form
    1,260,933.89/1,891,260.67 = 451,285.61/x
  3. Step 3: Cross multiply
    1,260,933.89x = 1,891,260.67 × 451,285.61
  4. Step 4: Simplify right side
    1,260,933.89x = 853,498,714,545.44
  5. Step 5: Solve for x
    x = 853,498,714,545.44/1,260,933.89
  6. Step 6: Final answer
    x = 676,878.24

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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.