Home / 695,043.87-1,042,651.67-245,672.07

Finding the Fourth Proportional to 695,043.87, 1,042,651.67 and 245,672.07

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Solution

The fourth proportional to 695,043.87, 1,042,651.67 and 245,672.07 is: 368,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,043.87 : 1,042,651.67 = 245,672.07 : x
  2. Step 2: Convert to fraction form
    695,043.87/1,042,651.67 = 245,672.07/x
  3. Step 3: Cross multiply
    695,043.87x = 1,042,651.67 × 245,672.07
  4. Step 4: Simplify right side
    695,043.87x = 256,150,392,829.50
  5. Step 5: Solve for x
    x = 256,150,392,829.50/695,043.87
  6. Step 6: Final answer
    x = 368,538.45

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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.