Home / 1,282,919.61-1,770,433.75-694,219.05

Finding the Fourth Proportional to 1,282,919.61, 1,770,433.75 and 694,219.05

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Solution

The fourth proportional to 1,282,919.61, 1,770,433.75 and 694,219.05 is: 958,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,919.61 : 1,770,433.75 = 694,219.05 : x
  2. Step 2: Convert to fraction form
    1,282,919.61/1,770,433.75 = 694,219.05/x
  3. Step 3: Cross multiply
    1,282,919.61x = 1,770,433.75 × 694,219.05
  4. Step 4: Simplify right side
    1,282,919.61x = 1,229,068,841,249.67
  5. Step 5: Solve for x
    x = 1,229,068,841,249.67/1,282,919.61
  6. Step 6: Final answer
    x = 958,024.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.