Home / 1,257,217.52-1,734,998.28-684,299.12

Finding the Fourth Proportional to 1,257,217.52, 1,734,998.28 and 684,299.12

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Solution

The fourth proportional to 1,257,217.52, 1,734,998.28 and 684,299.12 is: 944,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,217.52 : 1,734,998.28 = 684,299.12 : x
  2. Step 2: Convert to fraction form
    1,257,217.52/1,734,998.28 = 684,299.12/x
  3. Step 3: Cross multiply
    1,257,217.52x = 1,734,998.28 × 684,299.12
  4. Step 4: Simplify right side
    1,257,217.52x = 1,187,257,796,205.51
  5. Step 5: Solve for x
    x = 1,187,257,796,205.51/1,257,217.52
  6. Step 6: Final answer
    x = 944,353.52

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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.