Home / 1,257,651.64-1,735,590.47-684,723.25

Finding the Fourth Proportional to 1,257,651.64, 1,735,590.47 and 684,723.25

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Solution

The fourth proportional to 1,257,651.64, 1,735,590.47 and 684,723.25 is: 944,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,651.64 : 1,735,590.47 = 684,723.25 : x
  2. Step 2: Convert to fraction form
    1,257,651.64/1,735,590.47 = 684,723.25/x
  3. Step 3: Cross multiply
    1,257,651.64x = 1,735,590.47 × 684,723.25
  4. Step 4: Simplify right side
    1,257,651.64x = 1,188,399,135,185.86
  5. Step 5: Solve for x
    x = 1,188,399,135,185.86/1,257,651.64
  6. Step 6: Final answer
    x = 944,935.07

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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.