Home / 1,257,003.78-1,734,658.66-684,048.05

Finding the Fourth Proportional to 1,257,003.78, 1,734,658.66 and 684,048.05

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Solution

The fourth proportional to 1,257,003.78, 1,734,658.66 and 684,048.05 is: 943,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,003.78 : 1,734,658.66 = 684,048.05 : x
  2. Step 2: Convert to fraction form
    1,257,003.78/1,734,658.66 = 684,048.05/x
  3. Step 3: Cross multiply
    1,257,003.78x = 1,734,658.66 × 684,048.05
  4. Step 4: Simplify right side
    1,257,003.78x = 1,186,589,873,788.61
  5. Step 5: Solve for x
    x = 1,186,589,873,788.61/1,257,003.78
  6. Step 6: Final answer
    x = 943,982.74

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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.