Home / 876,694.60-1,314,944.70-718,647.40

Finding the Fourth Proportional to 876,694.60, 1,314,944.70 and 718,647.40

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Solution

The fourth proportional to 876,694.60, 1,314,944.70 and 718,647.40 is: 1,077,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,694.60 : 1,314,944.70 = 718,647.40 : x
  2. Step 2: Convert to fraction form
    876,694.60/1,314,944.70 = 718,647.40/x
  3. Step 3: Cross multiply
    876,694.60x = 1,314,944.70 × 718,647.40
  4. Step 4: Simplify right side
    876,694.60x = 944,981,589,798.78
  5. Step 5: Solve for x
    x = 944,981,589,798.78/876,694.60
  6. Step 6: Final answer
    x = 1,077,891.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.