Home / 1,262,352.39-1,741,980.76-718,486.46

Finding the Fourth Proportional to 1,262,352.39, 1,741,980.76 and 718,486.46

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Solution

The fourth proportional to 1,262,352.39, 1,741,980.76 and 718,486.46 is: 991,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,352.39 : 1,741,980.76 = 718,486.46 : x
  2. Step 2: Convert to fraction form
    1,262,352.39/1,741,980.76 = 718,486.46/x
  3. Step 3: Cross multiply
    1,262,352.39x = 1,741,980.76 × 718,486.46
  4. Step 4: Simplify right side
    1,262,352.39x = 1,251,589,589,640.51
  5. Step 5: Solve for x
    x = 1,251,589,589,640.51/1,262,352.39
  6. Step 6: Final answer
    x = 991,474.01

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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.