Home / 1,257,278.64-1,735,043.19-684,317.44

Finding the Fourth Proportional to 1,257,278.64, 1,735,043.19 and 684,317.44

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Solution

The fourth proportional to 1,257,278.64, 1,735,043.19 and 684,317.44 is: 944,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,278.64 : 1,735,043.19 = 684,317.44 : x
  2. Step 2: Convert to fraction form
    1,257,278.64/1,735,043.19 = 684,317.44/x
  3. Step 3: Cross multiply
    1,257,278.64x = 1,735,043.19 × 684,317.44
  4. Step 4: Simplify right side
    1,257,278.64x = 1,187,320,314,070.23
  5. Step 5: Solve for x
    x = 1,187,320,314,070.23/1,257,278.64
  6. Step 6: Final answer
    x = 944,357.34

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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.