Home / 1,257,219.57-1,734,962.92-684,263.84

Finding the Fourth Proportional to 1,257,219.57, 1,734,962.92 and 684,263.84

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Solution

The fourth proportional to 1,257,219.57, 1,734,962.92 and 684,263.84 is: 944,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,219.57 : 1,734,962.92 = 684,263.84 : x
  2. Step 2: Convert to fraction form
    1,257,219.57/1,734,962.92 = 684,263.84/x
  3. Step 3: Cross multiply
    1,257,219.57x = 1,734,962.92 × 684,263.84
  4. Step 4: Simplify right side
    1,257,219.57x = 1,187,172,392,523.56
  5. Step 5: Solve for x
    x = 1,187,172,392,523.56/1,257,219.57
  6. Step 6: Final answer
    x = 944,284.05

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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.